95 results about "Ophthalmic examination" patented technology

A digital medical diagnostic system according to the present invention enables ophthalmologists to view patient and other images remotely to diagnose various conditions. The system includes at least one modality, one or more viewing stations, and an image server. The modality generates patient images associated with examinations, while the image server retrieves and processes information from the modalities. The image server may accommodate modalities utilizing different interfaces and / or formats. The viewing stations enable remote access to the images via a network (e.g., Internet), where the image server provides the interface for a user in the form of screens or web pages for security and viewing of information. The system enables an ophthalmologist or other medical personnel to view and / or manipulate one or more images to enhance diagnosis of patient examinations.

An optical adapter system for a smart-phone has a lens and a light transmission guide within a housing. The adapter lens is located at the distal end of the housing in optical alignment with the smart-phone's camera lens, and the light transmission guide extends from one end that is adjacent to the smart-phone's light source toward the distal end of the housing and directs light outside of the housing to the subject being imaged. The optical adapter is preferably used in combination with the smart-phone as an ophthalmic examination tool and can be used with a computer program that runs on the smart-phone's processor. The computer program can be calibrated for use with the particular optical adapter and can be used to control the smart-phone's imaging system, such as varying the intensity of the light source, and can determine a refractive error in a patient's eye.

An ocular system for detecting ocular abnormalities and conditions creates photorefractive digital images of a patient's retinal reflex. The system includes a computer control system, a two-dimensional array of infrared irradiation sources and a digital infrared image sensor. The amount of light provided by the array of irradiation sources is adjusted by the computer so that ocular signals from the image sensor are within a targeted range. Enhanced, adaptive, photorefraction is used to observe and measure the optical effects of Keratoconus. Multiple near-infrared (NIR) sources are preferably used with the photorefractive configuration to quantitatively characterize the aberrations of the eye. The infrared light is invisible to a patient and makes the procedure more comfortable than current ocular examinations.

A digital medical diagnostic system according to the present invention enables ophthalmologists to view patient and other images remotely to diagnose various conditions. The system includes at least one modality, one or more viewing stations, and an image server. The modality generates patient images associated with examinations, while the image server retrieves and processes information from the modalities. The image server may accommodate modalities utilizing different interfaces and / or formats. The viewing stations enable remote access to the images via a network (e.g., Internet), where the image server provides the interface for a user in the form of screens or web pages for security and viewing of information. The system enables an ophthalmologist or other medical personnel to view and / or manipulate one or more images to enhance diagnosis of patient examinations.

A universal ophthalmic examination device and an ophthalmic examination method have the object of combining in an inexpensive apparatus in a simple manner the device-related requirements for image generation, measurement and functional imaging for carrying out visual stimulation and highly time-resolved and highly spatially resolved image documentation using continuous illumination and flash mode and the requirements for measurements in the infrared spectral region and visible spectral region with a time regime that can be freely selected to a great extent. The light of at least one light source is modified in a program-oriented manner with respect to its intensity curve and / or time curve with a temporally defined relationship to the adjustments of the at least one light source, of the image recording and of the evaluation for purposes of adaptive matching to an examination task in the illumination beam path by an individual, shared light manipulator and is used as modified light for illumination and for selective stimulation.

A motorized head supporting and positioning apparatus is disclosed, such as is useful for eye examination or treatment. The apparatus includes head-receiving supports, which can include a forehead rest and a chinrest, which can be linked by a single arm assembly. A main assembly of the apparatus contains a motor assembly, which can include three motors driven in a coupled manner to guide a head along a three-dimensional path at a speed that is comfortable to the patient. The apparatus can be relatively compact, owing at least in part to a pivoted approximate Z-axis movement along the optical axis. In addition to open-loop operation, the apparatus can be used with a tracking subsystem to achieve closed-loop positioning in real time, as well as to enable the activation of an examination / treatment instrument when the eye is brought within an acceptable tolerance of a desired position.

An electric joystick mechanism for an ophthalmic apparatus which is capable of improving manipulation performance of a joystick and is simple in structure comprises a base, a joystick having a shaft, a driving unit having a motor for moving an ophthalmic examination unit horizontally, and a control unit for controlling the driving unit in response to tilting manipulation of the joystick by an examiner, wherein the control unit performs first control of finely moving the examination unit by controlling the driving unit based on a manipulation signal of the joystick, and second control of roughly moving the examination unit by controlling the driving unit when tilting condition of the joystick becomes a predetermined tilting condition, and in the second control, velocity of driving of the driving unit is controlled based on velocity of the tilting manipulation of the joystick in the first control.

An imaging device for use in ocular investigations and including a body incorporating a light creating projector for issuing a collimated light source. A digital micromirror device being positioned to intercept the collimated light source, the micromirror device reflecting the light source in a specified pattern and in at least one of first and second directions. A control system connected to the micromirror device and interfacing with at least one processor driven input / output device, the control system selectively reflecting the pattern in directions towards and away from a patient's eye.

An apparatus for determining spherical and cylinder components of subjective refraction of a patient's vision includes a wavefront measurement device that can produce a measure of quality of vision in a return beam from the patient's eye viewing a target through a corrective test lens in the apparatus. The corrective lenses may be varied and a plurality of measurements of quality of vision may be obtained and analyzed to determine the spherical and cylinder components. Accordingly, the eye examiner may conduct a refraction examination without a subjective response from the patient.

A method of performing an ophthalmic test on an examinee's eyes utilizes a three-dimensional display screen that includes a right-eye image and a left-eye image to induce ocular responses in the examinee's eyes. The right and left-eye images are varied while detection devices are used to monitor the examinee's eyes ocular responses to the variations. The induced ocular responses of the examinee's eyes are then used to diagnose any ocular, mental or neurological conditions present. The ocular response inducing images are preferably included in a three-dimensional video game such that a players' performance while playing the game will be indicative of any disorders that may be present.

An ophthalmic examination chair includes a seat for supporting a patient thereon, a support base for supporting the seat, a tilt guide assembly for tiltably moving the seat with respect to the support base, and a tilt driving assembly. The tilt driving assembly includes a motor operatively connected with a drive element and a drive transmission element operatively connected with the drive element. The drive transmission element is further operatively connected with the seat for moving the seat when the motor is activated.

The invention discloses a dual-channel whole-eye OCT system, which includes a fundus OCT part, an anterior segment OCT part, a detection arm and a PC control platform; the light beam emitted by the near-infrared light source of the fundus part is output to the detection arm and the first reference through a fiber coupler. arm, the returned optical signal forms interference and then outputs to the first spectrometer; the light beam emitted by the near-infrared light source of the anterior segment is output to the detection arm and the second reference arm through the fiber coupler, and the returned optical signal forms interference and is output to the second spectrometer. The present invention also provides a method for performing whole-eye OCT by using the above-mentioned imaging system, in which the fundus tomographic image and the anterior segment tomographic image are post-processed through a PC control platform, thereby combining to obtain a whole-eye optical coherence tomographic image. The structure and method of the present invention are ingenious, so that the fundus part and the anterior segment part are imaged at the same time, and the OCT imaging of the whole eye is realized. The system structure is simple and compact, and the ophthalmic examination procedure and cost are greatly saved.

An ophthalmic apparatus capable of alignment in total automation and manual alignment with an examinee's eye comprising an ophthalmic examination unit, a unit detecting an alignment state of the examination unit with the eye, a main base, a mobile base on which the examination unit is mounted and moved horizontally on the main base through operation of a control member, driving mechanisms moving the examination unit vertically and horizontally with respect to the mobile base, means switching a mode between a manual mode of performing alignment of the examination unit with each eye in sequence through the operation and a fully automatic mode of performing the alignment through driving of the driving mechanisms, and a control unit controlling the driving based on the detection result which starts in the fully automatic mode the driving based on a predetermined trigger signal so as to perform the alignment.

The apparatus provides an improved modified slit lamp assembly light source base and vertical support frame assemblies comprising chin and headrest vertical support legs wherein at least a lower portion of the chin rest vertical supports have been modified in at least a substantially widened fashion. The lower portion of the supports is further modified to jut back or bend away from a seated patient and toward the encroaching base of the slit lamp assembly to provide upper body accommodation while at the same time preventing a patient's upper body to encroach the base of the slit lamp. The assembly's chin / head support frame is mounted on a pivotal tabletop having a pivotal connection means, wherein the pivotal tabletop comprises a plurality of cut-out shapes each working in cooperative conjunction with the modified assemblies to accommodate obese, large-breasted patients and patients with degenerative back disorders, as well as obese doctors.

A method of performing an ophthalmic test on an examinee's eyes utilizes a three-dimensional display screen that includes a right-eye image and a left-eye image to induce ocular responses in the examinee's eyes. The right and left-eye images are varied while detection devices are used to monitor the examinee's eyes ocular responses to the variations. The induced ocular responses of the examinee's eyes are then used to diagnose any ocular, mental or neurological conditions present. The ocular response inducing images are preferably included in a three-dimensional video game such that a players' performance while playing the game will be indicative of any disorders that may be present.

An ophthalmological analysis system for examining an eye, in particular in the region of a front eye section of an eye includes first and second analysis systems obtaining sectional images of the eye. The first analysis system includes a projection device and a monitoring device arranged relative to each other according to the Scheimpflug rule. The second analysis system is an optical coherence interferometer. A processing device processes a first image data set obtained by the first analysis system and a second image data set obtained by the second analysis system to supplement the first image data set, at least partially, with data of the second image data set.

A simulation image of an index image formed on a fundus of an eye to be examined when each of a plurality of indices is presented to the eye to be examined is generated based on optical characteristic data of the eye to be examined and image data of the indices associated with respective spatial frequencies. Of the generated simulation images, simulation images whose contrasts can be recognized by the eye to be examined are selected at each of the spatial frequencies. Of the selected simulation images, a simulation image in which a contrast of an index being a basis for the simulation image is minimum is specified. Mark information for marking index information of indices which are the bases for simulation images specified at each of the spatial frequencies are added to image data of an examination sheet and displayed thereon.

An ophthalmic examination chair includes a seat for supporting a patient thereon, a support base for supporting the seat, a tilt guide assembly for tiltably moving the seat with respect to the support base, and a tilt driving assembly. The tilt driving assembly includes a motor operatively connected with a drive element and a drive transmission element operatively connected with the drive element. The drive transmission element is further operatively connected with the seat for moving the seat when the motor is activated.

An automated ophthalmic system is disclosed that is utilized to examine the eyes of a subject. A refraction system measures the refractive error of each eye and identifies a lens to correct the refractive error detected. A display presents one or more optotypes to the subject to ascertain the refractive error. An interface device receives a wireless signal from the refraction system, converts the wireless signal into one or more ASCII characters, and communicates the one or more ASCII characters to the display to present the one or more optotypes.

A patient management system of an embodiment includes a server, a plurality of ophthalmic examination apparatuses assigned to a plurality of patients, and a plurality of computers installed in a plurality of medical institutions. The ophthalmic examination apparatuses and computers are communicable with the server via a communication line. The server manages the account of each patient, and the account of each medical institution. Test data obtained by each of the ophthalmic examination apparatuses is stored in the account of a corresponding patient. The server sends information stored in the account of a patient to a computer installed in one of the medical institutions assigned in advance to the patient.

An object of the present invention is to enable adequate and reliable system management in an ophthalmic examination and treatment system composed of wireless imaging devices mounted on various ophthalmic medical instruments used for ophthalmic examination and treatment and a display device for displaying the images captured by the imaging devices. The ophthalmic examination and treatment system 1 comprises a plurality of ophthalmic medical instruments 10, 20, 30 used in ophthalmic examination and treatment, wireless imaging devices 11, 21, 31 mounted on the respective ophthalmic medical instruments, and at least one display device 2 displaying the images captured with the imaging devices. Each imaging device comprises transmission / reception unit 12, 22, 23 for conducting transmission and reception of information data with the display device by wireless communication. Each transmission / reception unit has an inherent ID allocated correspondingly to each imaging device, transmits a data signal with an ID signal attached thereto to the transmission / reception unit 3 of the display device, and when an ID confirmation signal attached to a control signal from the transmission / reception unit of the display device and the own ID coincide, receives the control signal. The display device receives a data signal with an ID signal attached thereto from each imaging device, conducts displaying with the data signal corresponding to the ID and enables the remote control of the imaging device corresponding to the ID by attaching the ID signal and sending the control signal.

The apparatus provides an improved modified slit lamp assembly light source base and vertical support frame assemblies comprising chin and headrest vertical support legs wherein at least a lower portion of the chin rest vertical supports have been modified in at least a substantially widened fashion. The lower portion of the supports is further modified to jut back or bend away from a seated patient and toward the encroaching base of the slit lamp assembly to provide upper body accommodation while at the same time preventing a patient's upper body to encroach the base of the slit lamp. The assembly's chin / head support frame is mounted on a pivotal tabletop having a pivotal connection means, wherein the pivotal tabletop comprises a plurality of cut-out shapes each working in cooperative conjunction with the modified assemblies to accommodate obese, large-breasted patients and patients with degenerative back disorders, as well as obese doctors.

The invention relates to an artificial intelligence eye disease screening service method and system. The artificial intelligence eye disease screening service method includes the steps: acquiring ophthalmic examination data of a user, wherein the ophthalmic examination data is obtained by performing ophthalmic examination on the user by a technician of a primary hospital; performing artificial intelligence screening on the ophthalmic examination data to obtain a screening result; judging whether the screening result is normal or not; if so, generating an ophthalmic examination report; and if not, uploading the ophthalmic examination data to an ophthalmologist of a superior hospital for auditing, and generating an ophthalmic examination report according to an auditing result. The artificialintelligence eye disease screening service method and system can balance ophthalmic medical resources of primary hospitals and superior hospitals, and can realize large-scale, wide-coverage and high-efficiency eye disease screening.

The invention relates to the technical field of ophthalmology, in particular to an ophthalmic examination system. The system comprises a base, the upper surface of the base is provided with two symmetrical fixing rods, the two fixing rods are both sleeved with two annular pieces, the side faces of the two fixing rods are provided with long-strip grooves extending to the upper and lower end portions of the fixing rods, and racks are installed on the inner side faces of the two long-strip grooves; the side faces of the four annular pieces are provided with openings corresponding to the racks inposition, adjusting mechanisms corresponding to the openings in position are installed on the side faces of the four annular pieces, each adjusting mechanism comprises two first fixing plates, and every two first fixing plates are installed on the side faces of the corresponding annular pieces and located at the two sides of the corresponding opening. The ophthalmic examination system is simple instructure and convenient to use, not only is the hygiene when medical staff examine the eyes of a patient improved, but also the positions to which the upper and lower eyelids are pulled up are conveniently fixed, and the operation of the medical staff is facilitated.

An automated ophthalmic system is disclosed that is utilized to examine the eyes of a subject. A refraction system measures a refractive error of each eye and identifies a lens to correct the refractive error detected. A display presents one or more of an optotype, a chart, a test and a function to the subject to ascertain the refractive error. An interface device receives a voltage signal from the refraction system, converts the voltage signal into one or more ASCII characters, and communicates the one or more ASCII characters to the display to present the one or more of an optotype, a chart, a test and a function.

The present invention is directed to a medical imaging device attachment with onboard sensor array and computational processing unit, which can be adapted to and reversibly attached to multiple models of binocular indirect ophthalmoscopes (“BIOs”), enabling simultaneous or time-delayed viewing and collaborative review of photographs or videos from an eye examination. The invention also claims a method for photographing and integrating information associated with the images, videos, or other data generated from the eye examination.

An ophthalmic information system for long-term management of pathological conditions, in which, upon receipt of patient identification information and examination data from an ophthalmic examination apparatus, a server of the system specifies a medical institution terminal corresponding to the patient identification information, and sends the patient identification information and the examination data received to the medical institution terminal specified. Further, upon receipt of the patient identification information and a report based on the examination data from the medical institution terminal, the server stores at least part of the report in a patient information storage area associated with the patient identification information, and sends at least part of the report to a patient terminal corresponding to the patient identification information.

The invention discloses a safe eyelid speculum for ophthalmic examination and operation. The safe eyelid speculum comprises a base mobilization bar, a mobilization screw hole is arranged in the centerof the base mobilization bar, a mobilization screw is inserted in the mobilization in the mobilization screw hole, a rotary turn lever is connected to the bottom of the mobilization screw, an anti-skid stripe is arranged on the surface of the rotary turn lever, each of two ends of the base mobilization bar is movably connected with a bending eyelid opening arm through a first pin shaft, the bending eyelid opening arms and the mobilization screws are connected through a total opening angle adjusting mechanism, the top of each bending eyelid opening arm is connected with a eyelid opening rod through a convenient-removal adjustment mechanism, the inner side of each eyelid opening rod is connected with a bearing piece, one side of the bearing piece is connected with a three-point eyelid opening mechanism, and the top of the bearing piece is provided with a controllable anti-drying wetting mechanism. The safe eyelid speculum can ensure the effect of eyelid opening and avoid discomfort of patients, and meanwhile, patients' eyes can be kept moist during eyelid opening; in addition, the opening angle of the eyelid opening arms can be more gentle, and excessive opening of the eyelid opening arms, which causes damage to the patients' eyes is avoided.

A multifunction ophthalmic examination apparatus includes a shallow dome screen (1B) and a deep dome screen (1A), i.e., the entire dome screen (1), having a different depth from the shallow one and constituted of the shallow dome screen (1B) and the peripheral part of the entire dome screen (1). The deep dome screen (1A) or the shallow dome screen (1B) is driven so that either the deep dome screen (1A) or the shallow dome screen (1B) comes to a position where an ophthalmic examination image is projected by a projector (2) depending on the type of the ophthalmic examination to be conducted. When this state is set up, the projector (2) projects an ophthalmic examination image onto either the deep dome screen (1A) or the shallow dome screen (1B). With this, the multifunction ophthalmic examination apparatus using the dome screens enables various ophthalmic examinations.

An ophthalmic examination system comprising a headrest with a detection element, and an ophthalmic instrument (OI) having a microprocessor and a sensor in communication with the microprocessor. The sensor is configured to detect the presence of the detection element, and the headrest is configured for coupling to the OI.