Optometry control program and subjective optometry system

Abstract

To provide an optometry control program and a subjective optometry system capable of smoothly executing a subjective optometry.SOLUTION: The optometry control program comprises a self-optometry program for automatically progressing optometry on the basis of an answer input by a subject, and includes following steps executed by a first information processing device: a step for controlling a correction optical system and a visual target presentation unit in order to execute multiple inspection items on the basis of a self-optometry progressing procedure automatically progressed; a step for acquiring an answer input by a subject visually recognizing the presented visual target; and a step for executing an auxiliary operation for assisting progress of the self-optometry when a problem occurs in progress of the self-optometry. The optometry control program is characterized by including a step for executing a calling operation on the basis of a calling execution instruction, and a step for setting inspection timing when the auxiliary operation is started so that the auxiliary operation can be started for the inspection item at the time when the calling execution instruction is input.SELECTED DRAWING: Figure 6

Description

[Technical Field]

[0001] The present disclosure relates to an optometry control program executed in a subjective optometry system, and the subjective optometry system. [Background technology]

[0002] There is known a subjective optometry device that measures optical characteristics of a subject's eye, such as the refractive power of the eye, by placing an optical element in front of the subject's eye and presenting a test target to the subject's eye through the optical element. For example, a subjective optometry device described in Patent Document 1 includes an eye refractive power measurement unit, a target presentation unit, and a controller. The eye refractive power measurement unit uses a drive unit to switch the optical element to be placed in the test window, among multiple optical elements included in the corrective optical system. The target presentation unit switches the test target to be presented to the subject's eye. The controller detects a user's operation on an operation panel and transmits drive signals to the eye refractive power measurement unit and the target presentation unit based on the detected operation. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Publication No. 2020-18712 Summary of the Invention

[0004] In conventional subjective optometry devices, the examiner must be present with the subject and must input instructions for the next operation of the subjective optometry device based on the subject's response after viewing the test target. Therefore, with conventional subjective optometry devices, it has been difficult to perform subjective optometry smoothly while reducing the examiner's burden.

[0005] A typical object of the present disclosure is to provide an optometry control program and a subjective optometry system that can more smoothly perform subjective optometry.

[0006] In order to solve the above problems, the present invention is characterized by having the following configuration.

[0007] a subjective optometry device having a corrective optical system that changes the optical characteristics of a target light beam that is presented to the subject's eye, and a target presenting unit that presents the target to the subject's eye, the subjective optometry device being used to subjectively measure the optical characteristics of the subject's eye; a first information processing device connected to the subjective optometry device; A subjective eye examination system equipped with Mu An optometry control program executed by a self-optometry program that automatically conducts an optometry examination based on answers entered by the subject; The self-optometry program Subjective eye examination system By being executed by the control unit of a self-eye examination proceeding step of controlling the correction optical system and the optotype presenting unit to perform a plurality of examination items based on at least an automatically proceeding procedure of the self-eye examination; an answer acquisition step of acquiring an answer input by a subject who visually recognizes the presented optotype; a self-eye examination assisting step of performing an assisting operation to assist the progress of the self-eye examination when a problem occurs in the progress of the self-eye examination; The above Subjective eye examination system An optometry control program executed by The self-eye examination assist step includes: a receiving step of receiving, from the subject, an input of a call execution instruction which is an instruction to execute a call operation to call an assistant; a call execution step of executing a call operation based on the call execution instruction received in the receiving step; The time elapsed since the call execution instruction was input At the same time, the time elapsed since the self-eye examination being performed was started is recorded as a time for calling the examiner. a display control step of displaying the image on a display device; The present invention is characterized by comprising: (2) A subjective optometry device having a corrective optical system that changes the optical characteristics of a target light beam presented to the subject's eye and a target presenting unit that presents the target to the subject's eye, and used to subjectively measure the optical characteristics of the subject's eye; a first information processing device connected to the subjective optometry device; It is a subjective eye examination system equipped with hand, covered A self-eye examination program can be executed to automatically proceed with the eye examination based on the answers entered by the examiner; The self-optometry program includes: a self-eye examination proceeding step of controlling the correction optical system and the optotype presenting unit to perform a plurality of examination items based on at least an automatically proceeding procedure of the self-eye examination; an answer acquisition step of acquiring an answer input by a subject who visually recognizes the presented optotype; a self-eye examination assist step of performing an assisting operation to assist the progress of the self-eye examination when a problem occurs in the progress of the self-eye examination, a receiving step of receiving, from the subject, an input of a call execution instruction which is an instruction to execute a call operation to call an assistant; a call execution step of executing a call operation based on the call execution instruction received in the receiving step; The time elapsed since the call execution instruction was input At the same time, the time elapsed since the self-eye examination being performed was started is recorded as a time for calling the examiner. and a display control step of displaying the image on a display device.

[0008] According to the optometry control program and subjective optometry system of the present disclosure, subjective optometry can be performed more smoothly. DETAILED DESCRIPTION OF THE INVENTION

[0009] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described with reference to the accompanying drawings. The items grouped in < > below can be used independently or in conjunction with each other. <Summary> The subjective optometry system exemplified in the present disclosure includes a subjective optometry device and a first information processing device. The subjective optometry device has a corrective optical system that changes the optical characteristics of a target light beam presented to the subject's eye, and a target presentation unit that presents a target to the subject's eye, and is used to subjectively measure the optical characteristics of the subject's eye. The first information processing device is an information processing device connected to the subjective optometry device (hereinafter, the first information processing device may also be referred to as a "connection device"). The self-optometry program is a program that automatically progresses the eye examination based on answers entered by the subject.

[0010] The self-eye examination program is executed by the control unit of the first information processing device, whereby a self-eye examination proceeding step, an answer acquisition step, a correction value storage step, and a self-eye examination assisting step are executed by the first information processing device. In the self-eye examination proceeding step, the first information processing device sequentially outputs, to the subjective eye examination device, a plurality of presentation instruction signals instructing the subject to present an optotype to the subject, at least based on the procedure of the self-eye examination that is automatically proceeded (i.e., along the procedure). Note that in the self-eye examination proceeding step, the first information processing device may control the corrective optical system and the optotype presenting unit to perform a plurality of examination items based on the procedure of the self-eye examination that is automatically proceeded. In the answer acquisition step, the first information processing device acquires answers input by the subject who visually recognizes the presented optotype. In the correction value storage step, the first information processing device stores correction values ​​of the optical characteristics of the subject's eye, which are acquired based on the answers acquired in the answer acquisition step and the optical characteristics of the optotype and the optotype light beam that were presented by the subjective eye examination device at the time the answers were acquired. In the self-eye examination assisting step, the first information processing device executes an assisting operation for assisting the progress of the self-eye examination when a problem occurs in the progress of the self-eye examination.

[0011] According to the subjective eye examination system of the present disclosure, the self-eye examination program is executed, thereby allowing the subject's eyes to be properly examined without the examiner having to proceed with the eye examination. Furthermore, if a problem occurs with the progress of the self-eye examination, an auxiliary operation is executed to assist the progress of the self-eye examination. In other words, a function for assisting the progress of the self-eye examination is incorporated into the function of the self-eye examination program. Therefore, for example, while the self-eye examination program is being executed, at least one of the auxiliary operations for the self-eye examination is executed, for example, based on advice from the examiner. Therefore, the subjective eye examination is properly performed with a reduced burden on the examiner.

[0012] Various devices can be used as the first information processing device that executes the eye examination control program. For example, a personal computer (hereinafter referred to as "PC") may be used as the first information processing device. Also, a server, a mobile terminal, a smartphone, or the like may be used as the first information processing device.

[0013] The first information processing device may also be configured by combining multiple devices. For example, the first information processing device may be configured by a device such as a personal computer and a dedicated controller equipped with a controller and a storage device. Of course, the dedicated controller itself may be provided with the functionality of a device such as a personal computer equipped with a CPU, and configured as the first information processing device.

[0014] The storage device that stores the optometry control program can also be selected appropriately. For example, the optometry control program may be stored in a storage device built into the first information processing device, or in a storage device detachable from the first information processing device. The optometry control program may be stored in a storage device built into the dedicated controller described above. The optometry control program may also be stored in multiple storage devices.

[0015] In the self-eye examination assist step, when the status of the self-eye examination being performed satisfies a predetermined condition or when an instruction to perform an assist operation is input, an assist operation to assist the progress of the self-eye examination may be performed. In this case, when a situation arises in which the subject cannot perform the self-eye examination, the assist operation for the self-eye examination is appropriately performed.

[0016] The conditions for the self-eye examination situation when the auxiliary operation is executed can be selected as appropriate. For example, the control unit may determine that the conditions for executing the auxiliary operation are met when a predetermined time has passed without the subject inputting an answer. The control unit may also determine that the conditions for executing the auxiliary operation are met when the answer input by the subject is inappropriate. The method for determining whether an answer is inappropriate can be selected as appropriate. For example, the control unit may determine that the input answer is inappropriate when the input answer does not satisfy a predetermined answer condition (e.g., when an answer different from the candidate answers requested of the subject is input, when the same answer is input a predetermined number of times or more consecutively, or when an answer is input more times than the number of answers requested of the subject).

[0017] The assisting operation performed in the self-eye examination assisting step may include a calling operation to call the examiner. In this case, the examiner is called when a problem occurs in the progress of the self-eye examination, so that the subsequent eye examination can be performed appropriately.

[0018] The self-eye examination assistance step may include a manual advancement step of outputting a presentation instruction signal to the subjective eye examination device in response to an instruction input by the examiner to advance at least a part of the advancement procedure. In this case, the examiner can manually advance a part of the advancement procedure that was planned to be advanced by the self-eye examination, such as an examination that has encountered a problem. This provides more appropriate assistance in the eye examination for the examinee.

[0019] The self-eye examination assisting step may include a correction value correcting step of correcting at least one of one or more correction values ​​stored by the self-eye examination in accordance with an instruction input by the examiner. In this case, even if there is a correction value for which measurement by the self-eye examination has failed, the correction value is corrected at the examiner's discretion. This allows the eye examination of the subject to proceed smoothly.

[0020] The self-eye examination assistance step may include a test omission step in which at least a part of the procedure is omitted in response to an instruction input by the examiner. In this case, the examiner can omit a step that he / she determines is unnecessary from among the predetermined procedure, thereby allowing the eye examination of the examinee to proceed smoothly.

[0021] The method by which the examiner inputs instructions to omit at least part of the procedure can be selected as appropriate. For example, the examiner may input an instruction to select tests to be omitted from among multiple tests to be performed according to the procedure into the first information processing device. In this case, the control unit of the first information processing device may omit the selected tests from the procedure. The examiner may also input into the first information processing device a timing for resuming the temporarily stopped self-eye examination, which is later than the procedure to be omitted. In this case, the control unit of the first information processing device may omit some of the procedures by resuming the self-eye examination from the input timing.

[0022] The self-eye examination assistance step may include a proxy answer acquisition step. In the proxy answer acquisition step, when the optotypes are presented to the subject according to the procedure in the self-eye examination progression step, the control unit acquires the answers of the subject who visually recognizes the presented optotypes in response to instructions input by the examiner. In this case, the examiner can hear the answers from the subject who visually recognizes the optotypes as the optotypes are presented to the subject in sequence according to the self-eye examination procedure, and input the answers he or she has heard himself or herself. Therefore, even if the subject does not understand how to answer questions in the self-eye examination, the examiner can appropriately assist the self-eye examination by inputting the answers he or she has heard from the subject.

[0023] The self-eye examination assistance step may include a continuation / resumption step of resuming the temporarily stopped self-eye examination from the next step in the procedure following a step in which the eye examination has already been completed (e.g., a completed test, etc.). In this case, the self-eye examination is resumed from the next step in the procedure following the already completed step. Therefore, even after the assistance for the self-eye examination has ended, the self-eye examination continues appropriately in accordance with the procedure.

[0024] The self-eye examination assistance step may include a designated restart step for restarting the temporarily stopped self-eye examination from a procedure (e.g., a designated test) designated by the examiner among the proceeding procedures. In this case, the examiner can restart the self-eye examination from the procedure designated by the examiner when a problem that occurred during the self-eye examination is resolved, for example. This prevents the burden on the examiner to assist in the eye examination from increasing excessively.

[0025] The self-eye examination procedure may define multiple tests (examinations) to be performed on the subject and the order in which the multiple tests are performed. In the self-eye examination procedure step, the multiple tests may be performed in order according to the procedure. In this case, the multiple tests on the subject's eye are automatically performed appropriately. Furthermore, the examiner can provide appropriate assistance for any of the multiple tests that the examiner determines require assistance (for example, a test in which good correction values ​​were not obtained during the self-eye examination).

[0026] The self-eye examination assist step may include a procedure display step of displaying the procedure on a display device. The display device may be located at a base where the examiner waits, and may be located at a base different from the base where the subjective eye examination device is located, or may be located at the same base where the subjective eye examination device is located. The designation restart step may accept input of a designation instruction for a procedure for restarting the self-eye examination (hereinafter referred to as the "restart procedure") on the procedure displayed by the display device. In this case, the examiner can designate the restart procedure for restarting the self-eye examination while properly understanding the details of the procedure, the progress status, etc. from the displayed procedure.

[0027] Note that a specific method for accepting input of a restart procedure on the displayed procedure sequence can be selected as appropriate. For example, a touch panel may be provided in the display area of ​​the display device. In this case, the control unit may process, among the displayed procedure sequences, a procedure (e.g., a specific test) corresponding to a position where the touch panel is operated as the restart procedure specified by the examiner. Also, a mouse or the like may be provided for moving a pointer within the display area of ​​the display device. In this case, the control unit may process, among the displayed procedure sequences, a procedure corresponding to the position of the pointer as the restart procedure specified by the examiner.

[0028] Furthermore, the control unit may display, on the procedure, at least one of the procedure currently being performed and the procedure being performed when a problem occurred, among the entire procedure (for example, multiple tests included in the procedure). In this case, the examiner can properly grasp the progress of the self-eye examination from the displayed procedure.

[0029] As described above, resuming a paused self-eye examination offers various benefits. For example, in a cross cylinder test, one of the tests performed by a subjective eye examination system, two point clouds are presented to the subject. However, if the relative position between the examination window of the corrective optical system and the subject's eye is misaligned, the subject may only be able to see one of the two point clouds. In this case, the subject is unable to perform the self-eye examination. However, with the subjective eye examination system disclosed herein, the examiner can temporarily pause the self-eye examination and provide advice to the subject to adjust the position of the subject's eye relative to the examination window, assist in the progress of the cross cylinder test, and then resume the self-eye examination performed by the subject independently. In this way, resuming a paused self-eye examination offers beneficial benefits for both the examiner and the subject.

[0030] The self-eye examination assisting step may be executed in response to an instruction input to a second information processing device that is another information processing device connected to the first information processing device via a network. In this case, even if the examiner is in a remote location different from the location of the examinee, the examiner can appropriately assist the examinee in the self-eye examination from the remote location by inputting an instruction to the second information processing device.

[0031] If a problem occurs in the progress of the self-eye examination (for example, if an instruction to execute an auxiliary operation is input), the control unit of the first information processing device may output an instruction to execute a calling operation to call the examiner to the second information processing device. In this case, even if the examiner is in a remote location different from the subject's location, the examiner can easily understand that a problem has occurred in the progress of the self-eye examination.

[0032] However, the self-eye examination assist step may be executed in response to an instruction directly input to the first information processing device (for example, an instruction input to an operation unit of the first information processing device). That is, an examiner who is present at the location where the subjective optometry device and the first information processing device are installed may input an instruction to execute the self-eye examination assist step. In this case, for example, the operation unit (examiner controller) of the first information processing device used for inputting instructions from the examiner may be a dedicated controller provided in the subjective optometry device, or a general-purpose user interface such as a mouse or a tablet.

[0033] Furthermore, when a second information processing device is used, the number of second information processing devices may be one or more. As with the first information processing device, various devices (for example, a PC, a mobile terminal, or a smartphone) can be used as the second information processing device. The second information processing device may already be connected to the first information processing device when the self-eye examination is performed, or may be connected to the first information processing device after a problem occurs with the self-eye examination.

[0034] Furthermore, when a second information processing device is used, the respective control units of the first information processing device and the second information processing device may execute a remote conversation step of assisting the conversation between the examiner and the subject by mutually transmitting and receiving at least voice data (which may be both voice data and image data). In this case, the examiner at a remote location can appropriately assist the self-eye examination by understanding the subject's condition through the conversation.

[0035] <Setting the inspection timing when starting auxiliary operation> The self-eye examination assisting step may include a receiving step of receiving, from the subject, a call execution instruction, which is an instruction to execute a call operation to call an assistant (e.g., an examiner), and a call execution step of executing the call operation based on the call execution instruction received in the receiving step. Furthermore, the self-eye examination assisting step may include an examination timing setting step of setting, based on the call execution instruction received in the receiving step, the examination timing for starting the assisting operation so that the assisting operation can be started for the examination item at the time the call execution instruction is input. The examination timing for starting the assisting operation is used as the examination start time for starting the assisting operation in the eye examination procedure (examination flow). In this case, for example, the examiner can smoothly perform the assisting operation for the examination item in which the subject is having difficulty, thereby effectively assisting the subject in the self-examination.

[0036] As a method for setting the test timing for the test item at the time when the call execution instruction is input, for example, the progress of the self-eye examination may be temporarily stopped at the time when the call execution instruction is input, thereby setting the test timing for the test item at the time when the call execution instruction is input. This temporarily stops the progress of the self-eye examination at the time when the call execution instruction is input, for example, thereby preventing the test from proceeding and the possibility of obtaining erroneous test results. Furthermore, the burden on the subject can be reduced.

[0037] Furthermore, the method of setting the test timing for the test item at the time when the recall instruction is input is not limited to the above. For example, the test items at the time when the recall instruction is input may be stored in a storage unit, and the test timing may be set for the test item at the time when the recall instruction is input based on the test items stored in the storage unit. This makes it possible to start the test from the test item at the time when the recall instruction is input, and, if the test is to be performed appropriately, to continue the test until assistance from the examiner begins.

[0038] In addition, a display that allows the user to distinguish the test item for which the call execution instruction has been input may be displayed on the display device, so that the test item at the time the call execution instruction is input can be selected with priority. Also, the test items stored in the memory unit may be displayed on the display device, so that assistance with the test can be easily provided.

[0039] <Restrictions on answer input> In the answer acquisition step, when a call execution instruction is input, the input of answers input after the input of the call execution instruction may be restricted. For example, by restricting the answers from the subject, it is possible to prevent the examination from proceeding erroneously due to an incorrect operation by the subject when the examiner provides assistance. Furthermore, when the self-eye examination is resumed, the restriction on the input of answers may be lifted. For example, this allows the self-eye examination to be resumed smoothly.

[0040] The above-mentioned restriction on answer input is not limited to when a call execution instruction is input. When an instruction to perform an auxiliary operation is input in the answer acquisition step, by restricting the input of answers input after the input of the execution instruction, it is possible to prevent the examination from proceeding erroneously due to, for example, an erroneous operation by the subject. In other words, the input of the instruction to perform the auxiliary operation may be, in addition to a call execution instruction, for example, an input of a pause instruction to stop the progress of the self-eye examination and execute the auxiliary operation. In this case, the instruction to perform the auxiliary operation may be input, for example, by the subject or the examiner.

[0041] <Restrictions on examiner controller input> In the self-eye examination assisting step, until the call execution instruction is input, at least a part of the operation input from the examiner's controller by the examiner as an assistant to operate the subjective optometry device may be restricted. In this way, for example, by restricting the operation input from the examiner's controller while the self-examination is in progress, it is possible to prevent an inexperienced examiner from touching the controller and interfering with the self-examination.

[0042] In this case, when a call execution instruction is input, restrictions on operation input from the examiner's controller may be lifted. This allows the examiner to provide assistance smoothly when a call execution instruction is input. Furthermore, when resuming self-eye examination, at least a portion of operation input from the examiner's controller may be restricted. This allows, for example, examination to be performed preferably after resuming self-eye examination.

[0043] Note that the partial restriction on the operation input is not limited to when a call execution instruction is input. By restricting at least a portion of the operation input from the examiner's controller, which is used by the assistant examiner to operate the subjective optometry device, until an instruction to execute an auxiliary operation is input in the self-eye examination assistance step, it is possible to prevent an inexperienced examiner from touching the controller and interfering with the self-examination. Furthermore, when an execution instruction is input, the restriction on the operation input from the examiner's controller may be lifted. That is, the instruction to execute an auxiliary operation may be, in addition to a call execution instruction, for example, a pause instruction to stop the progress of the self-eye examination and execute an auxiliary operation. In this case, the instruction to execute the auxiliary operation may be input by the examinee or the examiner, for example.

[0044] In the self-eye examination assist step, when an instruction to perform an assist operation is input, the subject's response may be restricted and the restriction on the operation input of the examiner's controller may be lifted. This allows, for example, reliable switching between the subject's self-eye examination and assistance by the examiner, and prevents each examination from progressing unexpectedly.

[0045] The self-eye examination assist step may include an output step of outputting the elapsed time from the time when the call execution instruction was input, thereby making it possible to confirm, for example, the elapsed time from the time when the call execution instruction was input.

[0046] When an assisting operation is started for the test item at the time when the recall command is input, the self-eye examination assisting step may control the subjective device main body so that the test state at the time when the recall command is input is maintained. For example, the optotype at the time when the recall command is input may be presented to the optotype presenting unit, or the correction value at the time when the recall command is input may be set in the corrective optical system. This maintains the test state at the time of recall, allowing the subject to smoothly perform the assisting operation from a test state that is difficult for the subject, thereby reducing the number of tests with unnecessary settings.

[0047] In this case, for example, the subjective device main body may be automatically controlled to bring the test state to the state at the time when the recall command is input, or the test state at the time when the recall command is input may be displayed on a display device and adjusted to the test state at the time when the recall command is input by the examiner's manual operation. Note that by performing both the presentation of the optotype and the setting of the correction value, the test state at the time when the recall command is input can be more accurately reproduced, but either the presentation of the optotype or the setting of the correction value may be performed.

[0048] When an assist operation is started for a test item at the time the recall command is input, the self-eye examination assist step may control the subjective device main body to return to the initial state of the test item at the time the recall command is input. For example, the optotype presenting unit may present the optotype at the start of the test for the test item at the time the recall command is input, or the corrective value at the start of the test for the test item at the time the recall command is input may be set in the corrective optical system. This allows the test to be performed from the initial state of the test at the time of recall, for example. Therefore, if the test was performed inappropriately at the time the recall command is input, the test can be reset and the test can be performed from the start of the test, resulting in a smoother test. By both presenting the optotype and setting the corrective value, the initial state of the test for the test at the time of recall can be more accurately reproduced, but either presenting the optotype or setting the corrective value may be performed. In this case, for example, the subjective device body may be automatically controlled so that the initial state of the test item is at the time the call execution instruction is input, or the initial state of the test item at the time the call execution instruction is input may be displayed on the display device, and the examiner may manually adjust it to the initial state of the test item at the time the call execution instruction is input.

[0049] The correction value (initial value) set as the initial state may be set based on at least one of the objective measurement data, the previous glasses data, and the past subjective measurement data. Of course, for example, an initial value different from the above data may be used as the initial value. In this case, for example, an arbitrary value (for example, a default value (for example, 0)) may be set as the initial value.

[0050] For example, the objective measurement data may be data obtained by objectively measuring the optical characteristics of the subject's eye. In this case, examples of the optical characteristics of the subject's eye that are objectively measured include ocular refractive power (e.g., spherical power, astigmatism power, astigmatism axis angle, etc.), polarization characteristics, interpupillary distance, etc. Furthermore, for example, the previous eyeglasses data may be data obtained by measuring the optical characteristics of eyeglasses worn by the subject. In this case, examples of the optical characteristics of eyeglasses include refractive power (e.g., spherical power, astigmatism power, astigmatism axis angle, etc.), polarization characteristics, interpupillary distance, etc. Furthermore, for example, the past subjective measurement data may be subjective measurement data that is a past subjective measurement result of a subject performing a subjective measurement. For example, the subjective measurement data may be data obtained by subjectively measuring the optical characteristics of the subject's eye. In this case, for example, optical characteristics of the subject's eye that are subjectively measured include ocular refractive power (for example, spherical power, astigmatism power, astigmatism axis angle, etc.), polarization characteristics, interpupillary distance, etc.

[0051] A first control for controlling the subjective device main body to be in the examination state at the time when the call execution instruction is input, and a second control for controlling the subjective device main body to be in the initial state for the examination item at the time when the call execution instruction is input may be selectively executed. In this case, the examiner's controller may be configured to allow the examiner to select between the first control and the second control. This allows the examiner to, for example, select device settings for examiner assistance according to the examination state at the time when the call execution instruction is input, after hearing about the examination state.

[0052] When the examiner selectively uses the first control and the second control, for example, if the test is in the early stage of the test for the test item at the time when the recall command is input, the second control may be selected, and if the test is in the late stage of the test for the test item at the time when the recall command is input, the first control may be selected. In this case, if the test is for one eye, the device setting may be performed only for the eye to be measured. Furthermore, the use is not limited to the above-mentioned selective use, and the examiner may appropriately select the control desired.

[0053] The self-eye examination assist step may be executed in response to an instruction input to a second information processing device, which is another information processing device connected to the first information processing device via a network. For example, when the examiner is in a remote location different from the subject's location, it is difficult to grasp the progress of the self-eye examination and the examination items at the time the call execution instruction is input. Therefore, in the self-eye examination assist step, by setting the examination timing for starting the assist operation so that the assist operation can be started for the examination item at the time the call execution instruction is input, even if the examiner is in a remote location, the examiner can smoothly perform the assist operation for the examination item in which the subject is having difficulty, thereby effectively assisting the subject in the self-examination. <Embodiment> (System Configuration) A typical embodiment of the present disclosure will be described below with reference to the drawings. As shown in FIG. 1, a subjective optometry system 100 of this embodiment includes a subjective optometry device 1 and a first information processing device 2A. The subjective optometry device 1 is used to subjectively measure the optical characteristics of the subject's eye. The optical characteristic of the subject's eye measured by the subjective optometry device 1 of this embodiment is the ocular refractive power. The measured ocular refractive power may be at least one of the spherical power, cylindrical power, and astigmatism axis angle of the subject's eye. The first information processing device 2A is connected to the subjective optometry device 1. Hereinafter, the first information processing device 2A may also be referred to as a connection device. The first information processing device 2A is also connected to a second information processing device 2B, which is another information processing device, via a network 5. In other words, the first information processing device 2A of this embodiment may be remotely accessed by the second information processing device 2B. Each device will be described in detail below.

[0054] The subjective optometry apparatus 1 will now be described. The subjective optometry apparatus 1 includes an eye refractive power measuring unit 10, an optotype presenting unit 15, and a relay unit 19.

[0055] The eye refractive power measurement unit 10 includes a corrective optical system 11 and a drive unit 12. The corrective optical system 11 changes the optical characteristics of a visual target light beam presented to the subject's eye. That is, the corrective optical system 11 changes at least one of the spherical power, cylindrical power, astigmatic axis angle, polarization characteristics, and aberration amount of the visual target light beam. As an example, the corrective optical system 11 of this embodiment changes the optical characteristics of the visual target light beam by switching the optical element placed in an examination window in front of the subject's eye from among multiple optical elements. The corrective optical system 11 of this embodiment uses a lens disk for the left eye and a lens disk for the right eye, each of which has multiple optical elements arranged on the same circumference. Each of the lens disks for the left eye and the right eye may consist of one or more lenses. The optical elements may include, for example, at least one of a spherical lens, a cylindrical lens, a cross cylinder lens, a rotary prism, and a wavefront modulation element. The driving unit 12 changes the optical characteristics of the visual target light beam by driving the correction optical system 11. In this embodiment, the driving unit 12 drives the correction optical system 11 by rotating each of the lens disks for the left eye and the right eye to switch the optical element placed in the test window. For example, a step motor or the like can be used as the driving unit 12. The driving unit 12 is driven in response to a driving signal.

[0056] The optotype presenting unit 15 presents a test optotype (for example, at least one of a Landolt ring and letters) to the eye to be examined and switches the test optotype presented to the eye to be examined. Specifically, the optotype presenting unit 15 includes an optotype presenting section 16 and a driving section 17. The optotype presenting section 16 presents a test optotype to the eye to be examined. The optotype presenting section 16 may be, for example, at least one of a space-saving optotype projection device that projects the test optotype onto the eye to be examined via a concave mirror, a chart projector that projects the test optotype onto a screen, and a display that displays the test optotype. The optotype presenting section 16 is disposed at approximately the same height as the ocular refraction measurement unit 10 so that the optotype presenting section 16 is optically positioned at a predetermined distance from the eye to be examined. The driving section 17 drives the optotype presenting section 16 to switch the test optotype presented to the eye to be examined. The driving section 17 is driven in response to a driving signal.

[0057] The relay unit 19 relays drive signals between the first information processing device 2A and the drive units 12 and 17. In this embodiment, the system of drive signals output from the first information processing device 2A is different from the system of drive signals capable of controlling at least one of the drive units 12 and 17. The relay unit 19 in this embodiment converts drive signals received from the first information processing device 2A into drive signals capable of controlling the drive units 12 and 17, and transmits them to the drive units 12 and 17. Furthermore, as an example, when the relay unit 19 in this embodiment receives from the first information processing device 2A one drive signal for driving both drive units 12 and 17, it converts the received one drive signal into two drive signals for driving each of the two drive units 12 and 17, and transmits them to the two drive units 12 and 17, respectively.

[0058] The first information processing device 2A and the second information processing device 2B will be described. At least one of various information processing devices capable of processing various types of information can be employed as the first information processing device 2A and the second information processing device 2B. As an example, a personal computer (hereinafter referred to as "PC") is used as the first information processing device 2A and the second information processing device 2B of this embodiment. However, the information processing devices that can function as the first information processing device 2A and the second information processing device 2B of this embodiment are not limited to PCs. For example, a server, a mobile terminal, a smartphone, or the like may be used as at least one of the first information processing device 2A and the second information processing device 2B. At least one of the first information processing device 2A and the second information processing device 2B may be configured by multiple devices. For example, the first information processing device 2A may be configured by a dedicated controller including a controller and a storage device, and a personal computer.

[0059] The first information processing device 2A and the second information processing device 2B are connected in a communicable state via a network (e.g., the Internet) 5. The example shown in FIG. 1 illustrates a case where multiple second information processing devices 2B are connected to one first information processing device 2A. However, one second information processing device 2B may be connected to one first information processing device 2A. Also, one second information processing device 2B may be connected to multiple first information processing devices 2A.

[0060] The first information processing device 2A is placed at a location where subjective eye examinations are performed on subjects (for example, an eyeglass store or a hospital). The first information processing device 2A includes a CPU 21A and a storage device 22A. The CPU 21A is a control unit (controller) that controls the first information processing device 2A. The storage device 22A can store programs, various data, and the like. In this embodiment, an eye examination control program is stored in the storage device 22A.

[0061] The first information processing device 2A is connected to the subjective optometry device 1 (more specifically, the relay unit 19 of the subjective optometry device 1) in a communicable state. Various standards, such as LAN, can be used as a connection standard between the first information processing device 2A and the subjective optometry device 1. The first information processing device 2A is also connected to the objective optometry device 3 in a communicable state. The objective optometry device 3 objectively measures the optical characteristics of the subject's eye (for example, at least one of spherical power, cylindrical power, and astigmatism axis angle). Various standards, such as LAN, can be used as a connection standard between the first information processing device 2A and the objective optometry device 3. The objective optometry device 3 may be connected to the relay unit 19. Measurement results obtained by the objective optometry device 3 may be stored in a storage device included in the relay unit 19.

[0062] The first information processing device 2A is connected to a camera 31A, a microphone 32A, a speaker 33A, an operation unit 34A, and a display unit 35A. The camera 31A captures images. In particular, the camera 31A in this embodiment is used to capture moving images of the subject. The microphone 32A converts sound into an audio signal and outputs it. The speaker 33A converts the audio signal into sound. The operation unit 34A is operated by a user (e.g., the subject) to input various instructions. For example, the operation unit 34A may be at least one of a keyboard, a mouse, a touch panel, etc. Alternatively, a dedicated operation unit (e.g., a joystick, etc.) suitable for inputting answers to subjective eye examinations may be used as the operation unit 34A. The display unit 35A displays various images. For the display unit 35B, various devices capable of displaying images (e.g., at least one of a monitor, a display, a projector, etc.) may be used.

[0063] The second information processing device 2B is placed at the base of an examiner (for example, an eyeglass store clerk, doctor, or nurse who is familiar with eye examinations using the subjective optometry device 1) who is able to conduct eye examinations using the subjective optometry device 1. The second information processing device 2B includes a CPU 21B and a storage device 22B. The CPU 21B is a control unit (controller) that controls the second information processing device 2B. The storage device 22A can store programs, various data, etc.

[0064] The second information processing device 2B is connected to a camera 31A, a microphone 32A, a speaker 33A, an operation unit 34A, and a display unit 35A. As with the devices connected to the first information processing device 2A described above, various devices can be used for these devices. (Program and eye examination method) The programs installed in the first information processing device 2A of this embodiment will be described. As described above, the storage device 22A included in the first information processing device 2A stores an eye examination control program for executing the eye examination control process (see FIG. 2). The eye examination control program includes a drive control program for executing drive control and a self-eye examination program for performing the self-eye examination. The drive control program transmits a control signal for controlling the drive of the subjective eye examination device 1 to the subjective eye examination device 1. The self-eye examination program automatically proceeds with the eye examination using the subjective eye examination device 1 based on answers entered by the subject. The drive control program for executing the drive control program and the self-eye examination program for performing the self-eye examination may be constructed and prepared separately, or may be incorporated into a single program.

[0065] A subjective eye examination method that can be performed by the subjective eye examination system 100 of this embodiment will be described. The subjective eye examination system 100 of this embodiment can perform self-eye examination and remote eye examination. Self-eye examination is an eye examination performed by a self-eye examination program. That is, in self-eye examination, the eye examination basically proceeds automatically based on the answers entered by the subject. Furthermore, in the subjective eye examination system 100 of this embodiment, if a problem occurs in the progress of the self-eye examination, a self-eye examination assistance process is executed to assist the progress of the self-eye examination. The self-eye examination assistance process can also be executed in response to an instruction signal input to a second information processing device 2B at a remote location. Therefore, even if a problem occurs in the progress of the self-eye examination, the eye examination can be easily performed smoothly. The following will focus on the self-eye examination. (Ophthalmology control processing) 2 to 4, an example of an eye examination control process executed by the first information processing device 2A of the subjective eye examination system 100 of this embodiment will be described. The eye examination control process includes, for example, a process for controlling the self-eye examination and a process for assisting the self-eye examination. When an instruction to start a subjective eye examination of the subject's eye is input to the first information processing device 2A, the CPU 21A of the first information processing device 2A executes the eye examination control process illustrated in FIG. 2 in accordance with the eye examination control program.

[0066] As an example, the eye examination control process of this embodiment is executed in a state where communication (e.g., remote access) between one or more second information processing devices 2B and the first information processing device 2A is established. However, communication between the first information processing device 2A and the second information processing device 2B may be established during execution of the eye examination control process (e.g., at the start of the self-eye examination assist process shown in FIG. 4). Furthermore, the communication method between the first information processing device 2A and the second information processing device 2B may also be selected appropriately. For example, remote access from the second information processing device 2B to the first information processing device 2A may be established by using RAS (remote access service).

[0067] First, the CPU 21A acquires objective eye examination results (S1). As an example, the first information processing device 2A of this embodiment acquires objective eye examination results for the same subject from an objective eye examination device 3 (see FIG. 1) connected via a LAN or a relay unit 19, etc. However, the CPU 21A may acquire objective eye examination results for the same subject via, for example, a removable memory or a network 5, etc. Furthermore, the objective eye examination results may be input by a user via an operation unit 34A, etc. If there are no objective eye examination results for the same subject, the process of S1 may be omitted.

[0068] Next, the CPU 21A sets the procedure for the self-eye examination (S3). The procedure display field 52 in FIG. 3 displays a portion of an example of the procedure for the self-eye examination used in the subjective eye examination system 100 of this embodiment (in FIG. 3, only the procedure for the right eye is displayed). As illustrated in FIG. 3, the procedure used in this embodiment determines the multiple tests (multiple examinations) to be performed on the subject and the order in which the multiple tests are performed. As an example, in the procedure shown in FIG. 3, the R / G test (S), cross cylinder test (A), cross cylinder test (C), R / G test, and VA test are performed on the subject's right eye, followed by the R / G test (S), cross cylinder test (A), cross cylinder test (C), R / G test, and VA test on the subject's left eye. In the R / G test (S), the spherical power of the subject's eye is measured. In the cross cylinder test (A), the astigmatic axis angle of the subject's eye is measured. The cross cylinder test (C) measures the astigmatism of the eye being examined. The subsequent R / G test checks whether the eye was able to accommodate during the previous test. The VA test measures the maximum visual acuity of the eye being examined.

[0069] If the results of an objective eye examination for the same subject have been obtained in S1, a procedure for the self-eye examination is set in S3 according to the results of the objective eye examination (e.g., the ocular refractive power (at least one of spherical power, astigmatism power, and astigmatism axis angle) measured for the same eye to be examined). For example, in each test included in the procedure, the optical element to be initially placed in the examination window of the corrective optical system 11 and the type and size of the optotype to be presented by the optotype presenting unit 16 may be set according to the results of the objective eye examination. Furthermore, if the astigmatism power obtained by the objective eye examination is equal to or less than a threshold, a procedure may be set that omits tests related to astigmatism (e.g., cross cylinder test (A) and cross cylinder test (C)). Furthermore, if the results of the objective eye examination have not been obtained in S1, a default procedure may be set in S3.

[0070] Next, the CPU 21A determines the next optotype presentation operation to be performed by the subjective optometry device 1 according to the procedure set in S3 and the progress of the self-eye examination, and outputs a presentation instruction signal (drive signal) to the subjective optometry device 1 to execute the determined presentation operation (S5). Specifically, in S5 of this embodiment, at least one of the optical element to be placed in the test window of the correction optical system 11 and the optotype to be presented by the optotype presentation unit 16 is determined as the next presentation operation. A drive signal for at least one of the drive units 12 and 17 to execute the determined operation is transmitted to the subjective optometry device 1. When transmitting the drive signal to the subjective optometry device 1, the CPU 21A outputs a guidance voice corresponding to the test content from the speaker 33A. Therefore, the subject can properly understand the test content and then view the presented test optotype.

[0071] In this embodiment, the drive signal is transmitted from the first information processing device 2A to the drive units 12 and 17 via the relay unit 19 (see FIG. 1) described above. Therefore, the signal transmitted from the first information processing device 2A does not need to go through a dedicated controller or the like. Therefore, signal processing by a dedicated controller or the like is omitted, and eye examination can be performed more smoothly.

[0072] In the self-eye examination, the subject understands the contents of the examination through the guidance voice, visually recognizes the test target presented by the subjective eye examination device 1, and inputs the answers based on the visual recognition results into the first information processing device 2A. As an example, in this embodiment, the subject inputs the answers by operating a dedicated operation unit (subject controller) 34A suitable for inputting answers in a subjective eye examination. However, the answers may also be input using a general operation unit 34A (for example, a mouse, a touch panel, or a keyboard). Alternatively, the answers may be input using an audio signal converted by the microphone 32A.

[0073] The CPU 21A determines whether an answer has been input from the subject (S7). When an answer has been input (S7: YES), the input answer and the correction value (measurement value) of the optical characteristics of the subject's eye are stored in the storage device 22A (S8). The correction value of the optical characteristics of the subject's eye is acquired based on the answer input in S7, the optotype presented to the subject's eye when the answer was input, and the optical characteristics of the optical element placed in the test window of the correction optical system 11 (i.e., the optical characteristics of the optotype light beam).

[0074] Next, if the series of self-eye examinations has not yet been completed (S9: NO), the process returns to S5, and the self-eye examination continues according to the procedure. For example, in the VA test of this embodiment, if the answer from the subject acquired in S7 is correct, the CPU 21A determines the next optotype presenting operation so that the optotype to be presented by the optotype presenting unit 16 is an optotype with a visual acuity value one level higher than that of the optotype previously presented (for example, an optotype one level smaller in size). If the answer from the subject acquired in S7 is incorrect, the CPU 21A determines the next optotype presenting operation so that the optotype to be presented by the optotype presenting unit 16 is an optotype with a visual acuity value one level lower than that of the optotype previously presented (for example, an optotype one level larger in size). In addition to switching the optotype, the CPU 21A may also determine the corrective power of an optical element to be placed in the test window of the correction optical system 11 as the next optotype presenting operation.

[0075] Note that, when the processes of S7 to S9 are repeatedly executed and the series of self-eye examinations are successfully completed (S9: YES), the eye examination control process ends.

[0076] If no answer is input from the subject (S7: NO), it is determined whether the self-eye examination situation satisfies a predetermined condition indicating a high possibility of inappropriateness (S11). As an example, in this embodiment, if a predetermined time has passed without the subject inputting an answer after the presentation instruction signal was transmitted in S5, it is determined that the predetermined condition is satisfied. Also, if the answer input by the subject is inappropriate (for example, if the subject inputs an answer different from the candidate answer requested by the subject, if the same answer is input a predetermined number of times or more consecutively, or if the subject inputs an answer more times than the number of answers requested by the subject), it is determined that the predetermined condition is satisfied. If it is determined that the predetermined condition is satisfied (S11: YES), a self-eye examination assistance process is executed (S13).

[0077] Furthermore, if the subject has not input a response (S7: NO) and the self-eye examination conditions are not met (S11: NO), the CPU 21A determines whether or not the subject has input an instruction to execute an auxiliary operation for the self-eye examination (S12). As an example, in this embodiment, the subject can input an instruction to execute an auxiliary operation for the self-eye examination by operating the help button 70 provided on the dedicated operation unit (subject controller) 34A or a help button displayed on the display unit 35A. If no instruction has been input (S12: NO), the process returns to S7. If an instruction to execute an auxiliary operation has been input (S12: YES), the self-eye examination auxiliary process is executed (S13).

[0078] The details of the self-eye examination assistance process will be described with reference to FIG. 4. First, the CPU 21A executes an examiner call process (S21). As an example, in S21 of this embodiment, the CPU 21A transmits an examiner call instruction via the network 5 to one or more second information processing devices 2B that have established remote access to the first information processing device 2A (S4). The examiner call instruction is an instruction to cause the second information processing device 2B to execute an examiner call operation to request assistance with the self-eye examination from the examiner. The call operation may be performed by at least one method, such as audio output or image display. By performing the call operation, the user (examiner) of the second information processing device 2B can appropriately understand that assistance with the self-eye examination (remote assistance in this embodiment) is required.

[0079] Next, the CPU 21A determines whether or not there has been a response from the examiner who is the user of the second information processing device 2B (S22). If there is no response from the examiner from any of the second information processing devices 2B (S22: NO), it is impossible to assist the examiner in the self-eye examination, and therefore the determination of S22 is repeated and a standby state is entered. If the user of any of the second information processing devices 2B is in a state where he or she can assist in the self-eye examination and inputs a response instruction to the second information processing device 2B (S22: YES), the process proceeds to S23.

[0080] Next, the CPU 21A starts communication processing by starting transmission and reception of voice data with the second information processing device 2B used by the examiner assisting the self-eye examination (S23). As a result, the self-eye examination assistance processing, which will be described later, is executed in a state in which the examinee and the examiner can converse with each other. In detail, the CPU 21A transmits voice data input via the microphone 32A to the second information processing device 2B. The CPU 21A also receives voice data input to the second information processing device 2B via the microphone 32B and outputs the voice data to the speaker 33A. The CPU 21A may also transmit image data to and from the second information processing device 2B along with the voice data. In this case, the CPU 21A may transmit image data input via the camera 31A to the second information processing device 2B. The CPU 21A may also receive image data input to the second information processing device 2B via the camera 32B and display the image data on the display unit 35A.

[0081] Next, the CPU 21A displays a self-eye examination assistance screen (see FIG. 3) on the display unit 35B of the second information processing device 2B used by the examiner assisting the self-eye examination (S24). As shown in FIG. 3, the self-eye examination assistance screen in this embodiment includes an operation image area 50 and a progress procedure display area 51.

[0082] The operation image area 50 displays an operation image including information on the optical characteristics of the target light beam to be presented to the subject's eye. In the operation image of this embodiment, values ​​related to the optical characteristics of the target light beam to be presented to the subject's eye are displayed for each type of optical characteristic. The examiner can specify the value for a desired type of optical characteristic (spherical power, cylindrical power, astigmatism axis angle, etc.) by operating various buttons and values ​​on the operation image area 50 via an operation unit such as a touch panel or a mouse. When the eye examination is performed appropriately, the correction values ​​of the optical characteristics displayed in the operation image become the measured values ​​of the optical characteristics of the subject's eye.

[0083] In this embodiment, the procedure display area 51 is displayed not only on the display unit 35B connected to the second information processing device 2B but also on the display unit 35A connected to the first information processing device 2A. The procedure display area 51 in this embodiment is provided with a procedure display field 52, an elapsed time display field 54, a left / right eye display field 55, a help button 56, and a top button 57. As described above, the procedure display field 52 displays the procedure set for the self-eye examination being performed. In the example shown in FIG. 3, the procedure currently being performed among the entire procedure (i.e., the multiple tests included in the procedure) is displayed on the procedure by an arrow 53 and a thick frame.

[0084] The elapsed time display field 54 displays the time elapsed since the start of the self-eye examination currently in progress. The left / right eye display field 55 displays whether the procedure currently being performed is for the subject's left eye or right eye out of the entire procedure. The help button 56 is operated by the subject when the subject inputs instructions to perform auxiliary operations for the self-eye examination. The top button 57 is operated to return the screen displayed in the procedure display area 51 to the top screen of the self-eye examination program.

[0085] During assistance with the self-eye examination (S24 to S43), which will be described below, as described above, the audio signal input from the microphone 32A to the first information processing device 2A is converted into audio by the speaker 33B of the second information processing device 2B. Also, the audio signal input from the microphone 32B to the second information processing device 2B is converted into audio by the speaker 33A of the first information processing device 2A. Therefore, the examiner and the subject can converse during assistance with the self-eye examination. Also, during assistance with the self-eye examination, the examiner using the second information processing device 2B can input various instructions to assist with the self-eye examination using at least one of the operation unit 34B and the microphone 32B.

[0086] Next, the CPU 21A determines whether manual assistance is being performed by the examiner (S26). In this embodiment, either indirect assistance or manual assistance is selected as a method for the examiner to assist the self-eye examination. Indirect assistance is a method in which the examiner indirectly assists the self-eye examination performed by the self-eye examination program while progressing the self-eye examination according to the procedure set in S3. Manual assistance is a method in which the examiner assists the self-eye examination by progressing the eye examination according to instructions input by the examiner, instead of progressing the self-eye examination according to the procedure.

[0087] The examiner can cause the first information processing device 2A to execute either indirect assistance or manual assistance using various methods. As an example, in this embodiment, the indirect assistance is preset to be executed first when the self-eye examination assistance process is started. Furthermore, the indirect assistance can be switched to manual assistance by inputting an operation instruction to the subjective eye examination device 1, an instruction to correct the correction value, or an instruction to skip a procedure via various buttons or the like on the operation image area 50. However, the method for switching between indirect assistance and manual assistance can be selected as appropriate. For example, a button for switching between indirect assistance and manual assistance may be provided on the self-eye examination assistance screen.

[0088] If indirect assistance is being performed (S26: NO), the CPU 21A determines whether the examinee's answer after visualizing the presented optotype has been input by the examiner or the examinee (S27). In this embodiment, during indirect assistance, the examinee can input the answer heard from the examinee into the second information processing device 2B by operating the operation unit 34B connected to the second information processing device 2B. The answer input into the second information processing device 2B is transmitted to the second information processing device 2A. Therefore, even if the examinee does not understand how to answer questions during the self-eye examination, the progress of the self-eye examination is appropriately assisted. Furthermore, in this embodiment, even during indirect assistance, the examiner can input the answer based on the results of visualizing the optotype, as in the above-mentioned S7 (see FIG. 2). Therefore, if the examinee understands how to answer questions after receiving advice from the examiner, the examinee can input the answer themselves and proceed with the eye examination procedure. However, during indirect assistance, either the first information processing device 2A or the second information processing device 2B may accept the answer.

[0089] If the subject's answer has not been entered into either the first information processing device 2A or the second information processing device 2B (S27: NO), the process proceeds directly to S38. If the subject's answer is entered into either the first information processing device 2A or the second information processing device 2B (S27: YES), the entered answer and the measured values ​​of the optical characteristics of the subject's eye are stored in the storage device 22A (S28), as in S8 (see FIG. 2). Next, the CPU 21A determines the next optotype presentation operation to be performed by the subjective optometry device 1 according to the procedure set in S3 (see FIG. 2) and the progress status at that time, and outputs a presentation instruction signal (drive signal) to the subjective optometry device 1 to execute the determined presentation operation (S29). In other words, the self-optometry program continues the self-optometry according to the procedure. Then, the process proceeds to S38.

[0090] If manual assistance, not indirect assistance, is being performed (S26: YES), the CPU 21A determines whether the examiner has input an operation instruction for manually performing at least a part of the procedure (S31). The examiner can determine an operation instruction for the subjective optometry device 1 (i.e., at least one of an instruction for arranging the optical elements in the correction optical system 11 and an instruction for presenting the optotype in the optotype presenting unit 16) based on, for example, the display content of the self-examination assistance screen (see FIG. 3) or a conversation with the subject. In this case, the examiner inputs the determined operation instruction to the second information processing device 2B via the operation unit 34B or the like. The input operation instruction is acquired by the first information processing device 2A via the network 5. When the operation instruction is input and acquired (S31: YES), the CPU 21A transmits a presentation instruction signal (drive signal) to the subjective optometry device 1 to cause the subjective optometry device 1 to perform the instructed operation (S32).

[0091] Next, the CPU 21A determines whether an instruction to correct the correction value stored in S8 (see FIG. 2) or S28 by the self-eye examination has been input (S33). If the examiner determines that the correction value (measurement value) displayed on the self-eye examination auxiliary screen (see FIG. 3) needs to be corrected, the examiner inputs an instruction to correct the correction value that needs to be corrected to the second information processing device 2B via the operation unit 34B or the like. The input instruction to correct the correction is acquired by the first information processing device 2A via the network 5. When the instruction to correct the correction is input and acquired (S33: YES), the CPU 21A corrects the correction value in accordance with the instruction (S34).

[0092] Next, CPU 21A determines whether an instruction to skip at least a part of the procedure (in this embodiment, at least one of the multiple tests) has been input (S35). When an instruction to skip is input via second information processing device 2B and network 5 (S35: YES), CPU 21A skips the instructed test from the procedure among the multiple tests included in the procedure (S36). Thereafter, the process proceeds to S38.

[0093] Next, the CPU 21A determines whether the series of eye examinations for the subject has been completed (S38). For example, the CPU 21A may determine that the series of eye examinations has been completed when the self-eye examination performed according to the procedure has been completed. Alternatively, the CPU 21A may determine that the series of eye examinations has been completed when an instruction to end the eye examination for the subject has been input. If the series of eye examinations has been completed (S38: YES), the process ends.

[0094] Next, the CPU 21A determines whether or not a continuation / resumption instruction for the self-eye examination has been input (S39). The continuation / resumption instruction is an instruction to resume the self-eye examination from the next step in the procedure set in S3 (see FIG. 2) after the procedure in which the eye examination has already been completed. For example, the CPU 21A may determine that a continuation / resumption instruction has been input when the subject operates a continuation / resumption button (not shown). When a continuation / resumption instruction is input via the second information processing device 2B and the network 5 (S39: YES), the CPU 21A sets the restart procedure for resuming the self-eye examination to the next step in the procedure in which the eye examination has already been completed (S40), and the process returns to the eye examination control process (see FIG. 2). In the subsequent processes of S5 to S9, the self-eye examination is resumed from the restart procedure set in S40. When a continuation / resumption instruction has not been input (S39: NO), the process proceeds directly to S42.

[0095] Next, the CPU 21A determines whether a designated restart instruction for the self-eye examination has been input (S42). The designated restart instruction is an instruction to restart the self-eye examination from a procedure designated by the examiner among the procedures set in S3 (see FIG. 2). In this embodiment, the examiner can input the designated restart instruction by specifying a restart procedure for restarting the self-eye examination on the procedure displayed in the procedure display field 52 (see FIG. 3) on the self-eye examination support screen. As an example, in this embodiment, the examiner inputs the designated restart instruction using a mouse, a touch panel, or the like. Note that a designated restart instruction button (reset button) for erasing the results of the self-eye examination already performed according to the procedure and restarting the self-eye examination from the beginning of the procedure may be provided on the self-eye examination support screen, etc. When the designated restart instruction is input via the second information processing device 2 and the network 5 (S42: YES), the CPU 21A sets the restart procedure for restarting the self-eye examination to the procedure designated by the designated restart instruction among the procedures (S43), and the process returns to the eye examination control process (see FIG. 2). In the subsequent processes of S5 to S9, the self-eye examination is resumed from the resumption procedure set in S43.

[0096] The techniques disclosed in the above embodiments are merely examples. Therefore, the techniques exemplified in the above embodiments can be modified. For example, it is possible to execute only a part of the techniques exemplified in the above embodiments. As an example, when a problem occurs during self-eye examination (S11: YES or S12: YES), the subjective optometry system 100 of the above embodiments executes both an examiner call process (S21) and an examiner assistance process for self-eye examination (S23 to S43). However, the subjective optometry system 100 may execute only one of the examiner call process and the examiner assistance process. For example, the self-eye examination can be appropriately assisted even if the examiner is only called by the examiner call process.

[0097] In the above embodiment, the self-eye examination is started with the second information processing device 2B connected to the first information processing device 2A. However, the second information processing device 2B may be connected to the first information processing device 2A after a problem occurs in the progress of the self-eye examination (S11: YES or S12: YES).

[0098] The self-eye examination assistance process (see FIG. 4 ) of this embodiment is executed in response to an instruction input to the second information processing device 2B located at a remote location. However, the self-eye examination assistance process may also be executed in response to an instruction directly input to the first information processing device 2A (for example, an instruction input to the first information processing device 2A by the examiner operating the operation unit 34A). That is, an examiner at the location where the subjective eye examination device 1 is installed may input an instruction to assist in the self-eye examination. Furthermore, both the first information processing device 2A and the second information processing device 2B may accept input of an instruction to assist in the self-eye examination. In this case, the examiner can assist in the self-eye examination either at the location where the subjective eye examination device 1 is installed or at a remote location. Note that when an instruction to assist in the self-eye examination is input via the first information processing device 2A, the process of calling the examiner in S21 (see FIG. 4 ) may be executed by the first information processing device 2A or by both the first information processing device 2A and the second information processing device 2B.

[0099] In addition, in S5 of FIG. 2 and SS29 of FIG. 4, the process of outputting a presentation instruction signal to the subjective optometry device 1 based on the progress procedure is an example of a "self-optometry progress step." The process of acquiring an answer from the subject in S7 of FIG. 2 and S27 of FIG. 4 is an example of an "answer acquisition step." The process of storing the correction value in S8 of FIG. 2 and S28 of FIG. 4 is an example of a "correction value storage step." The self-optometry assistance process shown in FIG. 4 is an example of a "self-optometry assistance step." The process of outputting a presentation instruction signal in response to an operation instruction in S31 and S32 of FIG. 4 is an example of a "manual progress step." The process of correcting the correction value in S33 and S34 of FIG. 4 is an example of a "correction value correction step." The process of omitting a progress procedure in S35 and S36 of FIG. 4 is an example of a "procedure omission step." The process of acquiring the subject's answer in response to an instruction input by the examiner in S27 of FIG. 4 is an example of a "proxy answer acquisition step." The process of resuming the self-eye examination from the next procedure in S39 and S40 of Fig. 4 is an example of a "continuation restart step." The process of resuming the self-eye examination from the procedure specified by the examiner in S42 and S43 of Fig. 4 is an example of a "designated restart step." The process of resuming the self-eye examination in S33 and S34 of Fig. 4 is an example of a "self-eye examination restart step." The process of displaying the progress procedure in S24 of Fig. 4 is an example of a "procedure display step."

[0100] <Setting the test timing based on the call execution instruction> An example of an embodiment when the examiner calling process is executed will be described below. When the subject operates the help button 70 (see, for example, FIG. 5) provided on the subject controller, the CPU 21A accepts input of a call execution instruction and executes the examiner calling operation.

[0101] <Call examiner> As the examiner calling operation, the CPU 21A may, for example, display a call display for calling the examiner on a display device (for example, at least one of the display units 35A and 35B). The display form of the call display may be, for example, at least one of a message for calling the examiner (for example, HELP display 58a in FIG. 6) and a mark for calling the examiner (for example, see mark 58b in FIG. 6). Furthermore, without being limited to these, various modifications are possible, such as blinking the display screen or changing the background of the display screen.

[0102] In this case, the display device for displaying the call display is not limited to the display unit 35A and the display unit 35B, but may be a stationary display (a display separate from the display unit 35A) installed in a facility having the optometry apparatus main body, or a display of a tablet or smartphone (a display separate from the display unit 35A) held by a staff member in the facility. Of course, this embodiment can also be applied to a display separate from the display unit 35B used in a remote location. It goes without saying that the display device may not be a general-purpose display, but may be a display provided on an examiner controller operated by an examiner (for example, see the examiner controller 76 and operation unit 34B in FIG. 5).

[0103] Furthermore, as the examiner calling operation, the CPU 21A may generate, for example, a call sound for calling the examiner via the sound generating unit. The form of the sound may be, for example, a sound informing the examiner of the name of the specific examiner, or a sound informing the examiner to move to the subjective optometry device main body. Furthermore, without being limited thereto, a simple beep may be output in response to a call execution instruction.

[0104] Furthermore, the CPU 21A may be configured to output the elapsed time from the time when the call execution instruction is input (see, for example, time display 59 in FIG. 6). For example, the CPU 21A may be configured to display the elapsed time together with the call display for calling the examiner. In this case, the elapsed time may be output by measuring the time from the time when the call execution instruction is input. Note that the display format of the elapsed time is not limited to a numerical display, and may be expressed, for example, by a graphic (for example, an indicator) that changes depending on the elapsed time. Note that the output method is not limited to a display, and various modifications are possible. For example, the elapsed time may be output as a sound.

[0105] By outputting the elapsed time as described above, for example, the time elapsed since the call execution instruction was input is visualized, which motivates the examiner to assist with the eye examination as soon as possible. Furthermore, the examiner providing the assistance can make appropriate comments according to the elapsed time. For example, if a relatively long time has passed since the call execution instruction was input, the examiner can say something like, "Sorry to have kept you waiting." Furthermore, the examiner can take measures such as attending to examinees who have been waiting for a long time first.

[0106] When the CPU 21A detects that the elapsed time exceeds a predetermined time, the CPU 21A may change the content of the notification based on the detection result. For example, when the elapsed time exceeds a predetermined time, the display form of the call display (for example, a change in color, or from constantly lit to flashing, etc.) may be changed. Furthermore, when the elapsed time exceeds a predetermined time, the volume of the call sound may be increased.

[0107] When outputting the elapsed time from the time when the call execution instruction was input, the CPU 21A may be configured to output the elapsed time statistically. For example, the CPU 21A may be configured to output the elapsed time for each subject in a table format or a graph format. Furthermore, the elapsed time for each facility and each examiner may be measured and output in a table format or a graph format. This allows statistical evaluation of whether the call execution instruction is being responded to quickly, and therefore it is possible to encourage individual improvements through, for example, evaluation by facility or by examiner.

[0108] <Stopping progress of self-eye examination> When the CPU 21A receives the input of the call execution instruction, the CPU 21A may temporarily stop the progress of the self-eye examination at the time when the call execution instruction is input.

[0109] In this case, the CPU 21A may stop the progress of the test at the test item at the time the recall command is input, for example. As an example, the CPU 21A may not accept any response from the subject from the time the recall command is input, and may not switch to the next correction values ​​and optotypes based on the self-eye examination program. This allows the test state (e.g., correction values ​​and optotypes) at the time the recall command is input to be maintained, allowing the examiner to smoothly perform assistance. Furthermore, it is possible to prevent the test from proceeding without resolving a problem that occurred during the self-eye examination after the recall command is input, resulting in the acquisition of erroneous test results. Furthermore, the burden on the subject can be reduced, allowing the subject to concentrate on the test when the examiner is assisting them.

[0110] In order to prevent the CPU 21A from accepting an answer from the subject, for example, the CPU 21A may restrict the input of an answer input from the subject controller 34A after the time when the call execution instruction is input. In this case, for example, the CPU 21A may block the input of an answer signal from the subject controller 34A, or may accept the answer signal but ignore it without involving it in the progress of the self-eye examination. In this case, it is not necessary to restrict all operations of the subject controller 34A, and for example, inputs related to the subject's answer, such as an input unit for inputting a direction (e.g., a joystick) and an input unit for inputting whether or not the subject can see the optotype, may be restricted.

[0111] Furthermore, as described above, answer input may be restricted to prevent switching of correction values ​​and optotypes, but depending on the settings of the self-eye examination program, the CPU 21A may determine that visual recognition is not possible if there is no answer for a certain period of time and switch to the next correction value and optotype. In this case, by restricting switching of correction values ​​and optotypes from the time when the recall instruction is input, it is possible to prevent the examination state from changing from the time when the recall instruction is input.

[0112] Furthermore, the CPU 21A may display a distinguishable display on the display screen of the display unit that displays the call execution instruction so that the test item at the time the call execution instruction is input can be distinguished. For example, the CPU 21A may display the test item at the time the call execution instruction is input in an emphasized manner relative to other test items (see, for example, the bold frame display and arrow 53 in FIG. 6). As another method, for example, the CPU 21A may display the test item at the time the call execution instruction is input in association with the display of the call execution instruction. For example, the test item may be displayed superimposed on a display indicating the call execution instruction (for example, HELP display 58a, mark 58b). Note that the display form of the distinguishable display can be modified in various ways and is not limited to the above configuration.

[0113] According to the above-described discrimination display, the examiner can easily distinguish the test item at the time when the call execution instruction is input, and therefore, when performing auxiliary operations by the examiner, the examiner can smoothly respond taking into account the circumstances of the test item (for example, see the auxiliary operations in the cross cylinder test mentioned above).

[0114] When the CPU 21A receives the input of the recall instruction, it may display a display screen corresponding to the examination state at the time when the recall instruction is input on a display device (for example, at least one of the display unit 35A, the display unit 35B, and the display of the examiner controller 76) (see, for example, FIG. 3). This allows the examiner to check the correction values ​​and optotypes at the time when the recall instruction is input, in addition to the examination items at the time when the recall instruction is input, and therefore allows the examiner to smoothly take measures when providing eye examination assistance (for example, selection of correction values ​​and optotypes).

[0115] When the progress of the self-eye examination is temporarily stopped, the CPU 21A can immediately avoid the progress of the self-eye examination by immediately stopping the progress of the self-eye examination when it receives the input of the call execution instruction. However, this is not limited to this. For example, the CPU 21A may stop the progress of the self-eye examination after a predetermined time has elapsed since the input of the call execution instruction was received. In this case, the CPU 21A may stop the progress of the self-eye examination when, for example, a response is received from the examiner controller (e.g., see the examiner controller 76 and operation unit 34B in FIG. 5) within the predetermined time from the input of the call execution instruction. The predetermined time may be set appropriately taking into consideration the program contents, examination items, etc. of the self-eye examination.

[0116] Note that the CPU 21A may display on the optotype presenting unit a message indicating that the call execution instruction is being made at the time when the call execution instruction is input, thereby enabling the subject to easily understand that the examiner is calling.

[0117] <Assistive actions by the examiner> When the CPU 21A receives the input of the recall instruction, the CPU 21A may release the restriction on input from the examiner's controller (for example, the examiner's controller 76, the operation unit 34B). In this case, the CPU 21A may restrict at least a part of the operation input from the examiner's controller until the recall instruction is input, and release the restriction on the operation input from the examiner's controller when the recall instruction is input.

[0118] When restricting at least a part of the operation input, it is possible to restrict at least one of the operation input from the examiner for operating at least one of the corrective optical system 11 and the optotype presenting unit 16, and the examiner's answer input from the subject. When restricting the input, it is possible to block the input signal from the operation unit operated by the subject, or to accept the answer but not have it affect (ignore) the progress of the self-eye examination.

[0119] By restricting operation inputs from the examiner controller until a call execution instruction is input, operations from the examiner controller are disabled while the self-eye examination is in progress. This makes it possible to prevent, for example, the examiner from accidentally operating the examiner controller and inputting answers or switching correction values, optotypes, etc. contrary to the procedures of the self-eye examination program. In this case, it is not necessarily necessary to restrict all operations on the examiner controller. For example, it is not necessarily necessary to restrict inputs to an input unit for receiving forced assistance inputs to force assistance by the examiner, an input unit for giving advice to the examinee by voice, text, etc., even before a call execution instruction is input.

[0120] When the call execution instruction is input, the restriction on operation input from the examiner's controller is lifted, and operation of the examiner's controller becomes valid. This allows the examiner to operate the examiner's controller to assist the examinee in the eye examination. For example, the examiner can input the examinee's verbal response into the examiner's controller, change the optotype, or change the correction value.

[0121] When the CPU 21A receives the input of the call execution instruction, it immediately releases the restriction on the operation input from the examiner's controller, thereby enabling quick assistance in the eye examination. However, this is not limiting. For example, the CPU 21A may release the restriction on the operation input from the examiner's controller after a predetermined time has elapsed since the input of the call execution instruction was received. Furthermore, the CPU 21A may release the restriction on the operation input from the examiner's controller when, for example, there is a response from the examiner's controller indicating that the eye examination assistance is available.

[0122] The procedure for the examiner to perform the assisting operation is, for example, to perform a notification operation to call the examiner, and when the examiner is ready to provide eye examination assistance to the subject, the examiner operates a response switch to indicate that the examiner is ready to provide eye examination assistance. When the response switch is pressed, the CPU 21A terminates the examiner calling operation. As shown in FIG. 6, the mark 58b may also serve as the response switch, and when the mark 58b is touched, a response signal from the examiner may be input. Of course, the form of the response switch is not limited to this, and a physical switch may be provided.

[0123] The examiner may operate the examiner controller while viewing the display screen of a display device (e.g., at least one of the display unit 35A, the display unit 35B, and the display of the examiner controller 76) used by the examiner to assist the examinee. For example, the CPU 21A may cause the display device to display a flow in which a plurality of examination items based on the self-eye examination program are arranged (see, for example, FIG. 6). For example, the examiner can easily select the examination item for which eye examination assistance is required by selecting the desired examination item on the display screen using the examiner controller. This allows the examiner to perform an examination using the selected examination item.

[0124] In the self-eye examination assistance step as described above, the CPU 21A stops the progress of the self-eye examination when the call execution instruction is input, thereby maintaining the examination items at the time the call execution instruction is input. As a result, the CPU 21A can set the examination timing for the examination items at the time the call execution instruction is input. Note that, by using the distinguishing display related to the examination items at the time the call execution instruction is input, the examiner can easily select the examination items at the time the call execution instruction is input as the examination items for which eye examination assistance is to be performed. As a result, the examination timing is set for the examination items at the time the call execution instruction is input.

[0125] In this case, by being able to provide eye examination assistance from the test item that was stopped when the recall command was input, eye examination assistance can be provided for the test item for which there is a high possibility that some problem occurred during the self-eye examination. Therefore, for example, the examiner can easily trace the subject's memory of the test at the time the recall command was input. That is, if the subject does not know how to answer the test item, the examiner can provide supplementary explanations on how to answer, or if the optotype is completely invisible, the examiner can provide advice on how to look into the test window. Furthermore, if the correction value is significantly different from the subject's subjective value, the examiner can adjust the correction value.

[0126] On the other hand, if the self-examination continues after the call execution instruction is input, there is a possibility that the self-examination will be switched to a different test item than the test item in which some problem is likely to have occurred, and it may not be possible to appropriately address the test item in which the problem occurred. Furthermore, if the test continues for a test item in which some problem is likely to have occurred, the correction value may deviate significantly from the subject's appropriate subjective value, and it may take more time than necessary to properly complete the test. In response to this, the possibility of such problems occurring can be avoided in advance by setting the timing of the eye examination by pausing.

[0127] In the above embodiment, even if the selection operation of the test item is not performed, the test may be started by the examiner. For example, the CPU 21A may display a display screen corresponding to the test state at the time when the call execution instruction is input on a display device (for example, at least one of the display unit 35A, the display unit 35B, and the display of the examiner controller 76), and may accept input of an answer or change the optotype and correction value based on an operation signal from the examiner controller.

[0128] <Example of transformation> In the above embodiment, the progress of the self-eye examination is temporarily stopped when the call instruction is input, thereby setting the examination timing to the examination item at the time when the call instruction is input, but this is not limited to this. For example, in the self-eye examination assist step, the examination item at the time when the call instruction is input may be stored in the storage device 22A, and the examination timing may be set to the examination item at the time when the call instruction is input based on the examination item at the time when the call instruction is input that is stored in the storage device 22A.

[0129] For example, the CPU 21A may store the examination items at the time when the recall instruction is input in the storage device 22A, and may display a distinguishable display on a display device (e.g., at least one of the display units 35A, 35B, and the display of the examiner's controller 76) that enables the examiner to distinguish the examination items at the time when the recall instruction is input, based on the examination items at the time when the recall instruction is input that are stored in the storage device 22A. The examiner can set the examination timing to the examination items at the time when the recall instruction is input, based on the distinguishable display. Furthermore, upon receiving a predetermined operation input from the examiner, the CPU 21A may display the examination items on a display device (e.g., at least one of the display units 35A, 35B, and the display of the examiner's controller 76), based on the examination items at the time when the recall instruction is input that are stored in the storage device 22A.

[0130] Furthermore, even if the examination timing is not set based on the above screen display, when assistance is provided to the subject based on an operation signal from the examiner controller, the CPU 21A may automatically set the examination timing to the examination item at the time the call execution instruction is input, based on the examination item at the time the call execution instruction is input, which is stored in the memory device 22A.

[0131] In the above modification, the progress of the self-eye examination may be allowed to continue without being stopped when the call execution instruction is input. In this case, if the examination is performed properly, more test results may be obtained before the examiner's assistance begins, potentially shortening the overall examination time. However, since there is a possibility of obtaining erroneous test results, whether or not to perform this should be considered based on the difficulty of the examination, etc.

[0132] In the above embodiment, the optotype and correction value are set at the time when the instruction to execute the call is input, but this is not limited to this. By setting the optotype and correction value corresponding to the examination item at the time when the instruction to execute the call is input, it is possible to smoothly assist with the eye examination.

[0133] For example, the CPU 21A may set the optotype and correction value at the start of the test for the test item at the time when the recall command is input. In this case, the CPU 21A may set the optotype and correction value at the start of the test by pre-storing the optotype and correction value at the start of the test in the storage device 22A. This allows, for example, if the test was performed inappropriately at the time the recall command is input, to reset the test and perform the test from the start of the test, thereby resulting in a smooth test. Such control is advantageous, for example, when the subject's self-test results in a correction value that is significantly different from the subjective value.

[0134] The optotype and correction value at the start of the test do not necessarily have to be completely identical, and for example, a different test optotype with the same visual acuity value as at the start of the test may be used, or the spherical power of the correction value may be the same as at the start of the test, but the astigmatic axis and astigmatic axis angle may be different from those at the start of the test. Similarly, when setting the optotype and correction value at the time when the recall execution command is input, they do not necessarily have to be completely identical.

[0135] Before the call instruction is input, a monitoring screen for the examiner to monitor the progress of the self-eye examination (e.g., presented optotypes, correction values, response content, etc.) may be displayed on the display device (e.g., at least one of the display units 35A, 35B, and the display of the examiner controller 76). For example, the examiner can easily grasp the progress of the self-eye examination by constantly monitoring the presented optotypes and correction values. Furthermore, by displaying the content of the examinee's responses, the examiner can easily grasp whether the examinee's responses are appropriate. Furthermore, when the call instruction is input, a call display for calling the examiner may be displayed on the monitoring screen. In this way, the test timing is set for the test item at the time the call instruction is input, and when the examiner is assisted with the eye examination, the examiner can start assisting the examinee with the eye examination after understanding the progress of the self-eye examination in advance, thereby enabling more appropriate assistance.

[0136] In the above embodiment, the timing of the test to start the assist operation is set for the test item at the time the recall command is input. However, the timing of the test to start the assist operation may be set for a test item other than the test item at the time the recall command is input. For example, if a recall command is input during a self-eye examination while an astigmatism axis test is being performed in a cross-cylinder test, it may be better for the examiner to start the test with an astigmatism power test in the cross-cylinder test as an assist operation. In this case, a flow in which multiple test items based on the self-eye examination program are arranged is displayed, and a desired test item (e.g., a cross-cylinder astigmatism power test) is selected on the display screen using the examiner's controller, allowing the examiner to smoothly perform the assist operation.

[0137] In the above description, the call execution instruction is described as a call operation to call the examiner, but it may also be a call operation to call an assistant. Assistants include, for example, the examiner who performs the subjective examination, as well as staff who do not perform the examination and attendants of the examinee. Even when a call is made to staff or attendants, a notification is issued that assistance with the eye examination is needed, so that an examiner who can perform the subjective examination can be called through the staff. Furthermore, even staff can be expected to provide certain advice, such as adjusting the positional relationship between the optometry device main body and the examinee.

[0138] In the above description, when a call execution instruction is input, the test timing is set to the test item at the time the call execution instruction is input. However, this is not limited to this. For example, when the situation of the self-eye examination being performed satisfies a predetermined condition, the CPU 21A may set the test timing to the test item at the time the situation of the self-eye examination being performed satisfies the predetermined condition. This makes it possible to smoothly provide assistance with the eye examination to the subject, for example, based on the test item at the time when the condition that determines that some problem has occurred is met.

[0139] In the above description, after the call execution instruction is input, the input of answers by the subject from the subject controller is restricted, but this is not limited to this, and when the examiner assists in the eye examination, the restriction on the input of answers by the subject from the subject controller may be lifted by receiving an input to lift the restriction from the examiner controller. In this case, the examiner can train the subject on how to input answers and check whether the answers are appropriate, and then resume the suspended self-eye examination. [Explanation of symbols]

[0140] 1. Subjective eye examination device 2A First information processing device 2B Second information processing device 5. Network 10. Eye refractive power measurement unit 11 Corrective optical system 15 Visual target presentation unit 16 Visual target presentation part 21A, 21B CPU 22A,22B Storage device 100 Subjective eye examination system [Brief explanation of the drawings]

[0141] [Figure 1] FIG. 1 is a block diagram showing a schematic configuration of a subjective optometry system 100. [Figure 2] 10 is a flowchart of an eye examination control process executed by a first information processing device 2A. [Figure 3] FIG. 10 is a diagram showing an example of a self-eye examination assistance screen used in this embodiment. [Figure 4] 10 is a flowchart of a self-eye examination assisting process executed during an eye examination control process. [Figure 5] 1 is a schematic diagram illustrating an example of a subjective optometry system according to an embodiment of the present invention. [Figure 6] FIG. 10 is a diagram showing an example of a display screen in the self-eye examination assisting process.

Claims

1. a subjective optometry device having a corrective optical system that changes the optical characteristics of a target light beam that is presented to the subject's eye, and a target presenting unit that presents the target to the subject's eye, the subjective optometry device being used to subjectively measure the optical characteristics of the subject's eye; a first information processing device connected to the subjective optometry device; An optometry control program executed by a subjective optometry system comprising: a self-optometry program that automatically conducts an optometry examination based on answers entered by the subject; The self-eye examination program is executed by the control unit of the subjective eye examination system, a self-eye examination proceeding step of controlling the correction optical system and the optotype presenting unit to perform a plurality of examination items based on at least an automatically proceeding procedure of the self-eye examination; an answer acquisition step of acquiring an answer input by a subject who visually recognizes the presented optotype; a self-eye examination assisting step of performing an assisting operation to assist the progress of the self-eye examination when a problem occurs in the progress of the self-eye examination; An optometry control program executed by the subjective optometry system, The self-eye examination assist step includes: a receiving step of receiving, from the subject, an input of a call execution instruction which is an instruction to execute a call operation to call an assistant; a call execution step of executing a call operation based on the call execution instruction received in the receiving step; a display control step of displaying, on a display device for calling the examiner, the elapsed time since the start of the self-eye examination being performed together with the elapsed time since the input of the call execution instruction; An optometry control program comprising:

2. The optometry control program according to claim 1, The optometry control program is characterized in that, in the display control step, the time elapsed since the time the call execution instruction was input is displayed on the display device using graphics that change according to the elapsed time.

3. 3. The optometry control program according to claim 1, The optometry control program is characterized in that, in the display control step, a call display for calling the examiner is displayed together with the elapsed time from the time when the call execution instruction was input.

4. The optometry control program according to claim 3, The optometry control program is characterized in that, in the display control step, when the elapsed time from the time when the call execution instruction was input exceeds a predetermined time, the display form of the call display is changed.

5. a subjective optometry device having a corrective optical system that changes the optical characteristics of a target light beam that is presented to the subject's eye, and a target presenting unit that presents the target to the subject's eye, the subjective optometry device being used to subjectively measure the optical characteristics of the subject's eye; a first information processing device connected to the subjective optometry device; A subjective optometry system comprising: A self-eye examination program can be executed to automatically proceed with the eye examination based on the answers entered by the subject; The self-optometry program includes: a self-eye examination proceeding step of controlling the correction optical system and the optotype presenting unit to perform a plurality of examination items based on at least an automatically proceeding procedure of the self-eye examination; an answer acquisition step of acquiring an answer input by a subject who visually recognizes the presented optotype; a self-eye examination assist step of performing an assisting operation to assist the progress of the self-eye examination when a problem occurs in the progress of the self-eye examination, a receiving step of receiving, from the subject, an input of a call execution instruction which is an instruction to execute a call operation to call an assistant; a call execution step of executing a call operation based on the call execution instruction received in the receiving step; a display control step of displaying on a display device for calling an examiner the elapsed time since the self-eye examination being performed was started, together with the elapsed time since the call execution instruction was input.

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