Binocular pupil dynamic focusing reflection measuring equipment
By using a binocular pupil dynamic light reflection measurement device, which employs a camera module and processor to collect and calculate pupil changes, the problem of limited functionality in existing devices is solved, and high-precision pupil measurement and diagnostic results are achieved.
Patent Information
- Application Number
- CN202411954203.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-11-07
AI Technical Summary
Existing pupil measurement devices have limited functionality, making it difficult to meet diverse testing needs, and inaccurate adjustments can affect the accuracy of diagnostic results.
A binocular pupil dynamic light reflection measurement device is used to collect pupil changes under different ambient brightness through a camera module. The image algorithm is combined with the processor to perform image calculations, and multiple CCD depth cameras are used to acquire multi-angle images and generate three-dimensional structures. The pupil diameter change is measured by a distance sensor.
To improve the accuracy of pupil measurement and the reliability of diagnostic results, reduce the requirements for doctors' professional knowledge, and provide detailed evaluation criteria for pupil changes.
Smart Images

Figure CN120899162A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of medical equipment, in particular to a binocular pupil dynamic light reflex measuring device. BACKGROUND
[0002] As a most basic, most routine, most important ophthalmic clinical examination, pupil and pupil light reflex examination is very important for the diagnosis and differential diagnosis of ophthalmic, neurosurgical, neurology and other diseases, and has been paid attention to and valued in clinical practice. Timely and accurate detection of pupil size, direct and indirect light reflex changes of pupil, the nature, location, severity, prognosis and treatment effect evaluation of optic nerve visual pathway and its related lesions are very important, even indispensable.
[0003] Pupil light reflex examination is helpful for the diagnosis and detection of various visual afferent system diseases and diseases affecting pupil size, which has important clinical significance, and the most important clinical application is to evaluate the afferent information input condition of retina, optic nerve and anterior visual pathway (optic chiasm, optic tract, midbrain pathway). In the case of normal pupil efferent system, the clinician can understand the pupil light reflex condition according to the pupil area, pupil response latency, pupil response amplitude, pupil response speed and other indicators; also can determine whether there is asymmetric damage of both eyes by comparing the reaction of pupil when the same light stimulates the left and right eyes.
[0004] The existing pupil measuring device has single function and cannot well meet the detection diversity requirement, and requires high professional knowledge of doctors, and temporary adjustment is also prone to inaccurate adjustment, which finally affects the accuracy of diagnosis results. SUMMARY
[0005] The present application provides a binocular pupil dynamic light reflex measuring device, which collects the change of pupil under different environmental brightness through the camera module, thereby improving the accuracy of measurement and diagnosis results.
[0006] In order to achieve the above purpose, the present application provides the following technical scheme: a binocular pupil dynamic light reflex measuring device, comprising: a shell, one side of the shell is provided with a chin rest and a cover body for providing a dark room environment for the eye of a subject; an open hole screen, the open hole screen is fixedly arranged in the cover body, and the open hole screen is provided with a transparent collection window; a camera module, the camera module is fixedly arranged at the back of the open hole screen and corresponds to the collection window; a touch screen, the touch screen is fixedly arranged on the side of the shell away from the cover body; a processor, the processor is arranged in the shell, and the open hole screen, the camera module and the touch screen are electrically connected with the processor respectively.
[0007] Preferably, the collection windows are arranged in pairs and are arranged in the middle of the open hole screen at a fixed interval; the camera modules are arranged in pairs and correspond to each of the collection windows respectively.
[0008] Preferably, each of the camera modules is composed of a plurality of ring-arranged cameras; each of the cameras is electrically connected to the processor.
[0009] Preferably, the distance sensor is fixedly arranged in the center of each of the camera modules; and each of the distance sensors is electrically connected to the processor.
[0010] Preferably, each of the cameras is a CCD depth camera.
[0011] Preferably, the shell is provided with a power supply and a buzzer which are electrically connected to the processor.
[0012] The present application has the advantages that: the camera modules collect the changes of the pupils under different environmental brightness, and the processor calculates the pupil data by using image algorithms, and finally displays the measurement results through the touch screen, so as to accurately detect the pupil size, the changes of direct and indirect light reflex of the pupil, and provide evaluation standards for the nature, position, severity, prognosis and treatment effect of the optic nerve pathway and its related lesions. In addition, the clinician can understand the light reflex of the pupil according to the pupil area, pupil response latency, pupil response amplitude, pupil response speed and other indicators; and the requirement for professional knowledge of the doctor is reduced, and the accuracy of the measurement and diagnosis results is improved. The two camera modules simultaneously collect the images of the pupils of both eyes under the same light condition, so as to ensure the comparison of the pupil data of both eyes. The plurality of cameras form a collection array, so as to realize multi-angle image collection, and generate a three-dimensional structure in the image synthesis system of the processor, so as to meet the measurement requirements of the pupil size. The processor measures the distance between the glasses of the examinee and the open hole screen by using the distance sensor, so as to fuse the distance parameter with the image algorithm in the processor, and complete the high-precision calculation of the diameter changes of the pupil under different light conditions. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0014] Figure 1 It is a side view of the overall structure of the present application.
[0015] Figure 2It is a whole structure front view of the present application.
[0016] In the figure: 1, the shell; 2, chin support; 3, cover; 4, open screen; 5, collection window; 6, touch screen; 7, processor; 8, camera; 9, distance sensor; 10, power supply; 11, buzzer. DETAILED DESCRIPTION
[0017] The technical solutions of the present application will be described clearly and completely below in combination with the drawings of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0018] According to Figure 1 , Figure 2 As shown in the figure, a binocular pupil dynamic light reflex measurement device comprises: a shell 1, one side of the shell 1 is provided with a chin support 2 and a cover 3 providing a darkroom environment for the eyes of a subject; an open screen 4 is fixedly arranged in the cover 3, and the open screen 4 is provided with a transparent collection window 5; a camera module is fixedly arranged at the back of the open screen 4 and corresponds to the collection window 5; a touch screen 6 is fixedly arranged on the side of the shell 1 away from the cover 3; a processor 7 is arranged inside the shell 1, and the open screen 4, the camera module and the touch screen 6 are respectively electrically connected with the processor 7. Wherein, the shell 1 is provided with a power supply 10 and a buzzer 11 electrically connected with the processor 7.
[0019] Through the arrangement, the subject supports the head through the chin support 2, at this time, the flexibly arranged cover 3 is attached to the face to isolate external light, and an internal darkroom environment is formed, the subject's eyes make the pupils dilate in the environment, at this time, the medical staff operates the device through the touch screen 6, makes the open screen 4 work, and changes the brightness in the darkroom environment, so as to control the pupil change of the subject, in the process, the camera module collects the change of the pupil under different environmental brightness, and the image algorithm in the processor 7 calculates the pupil data, finally, the measurement result is displayed through the touch screen 6, so as to accurately detect the pupil size, the change of direct and indirect light reflex of the pupil, and provide evaluation criteria for the nature, position, severity, prognosis and treatment effect of the optic nerve visual pathway and its related lesions. In addition, it is also convenient for the clinician to understand the light reflex condition of the pupil according to the pupil area, pupil response latency, pupil response amplitude, pupil response speed and other indexes; and reduces the requirement for the professional knowledge of the doctor, and improves the accuracy of the measurement and diagnosis result.
[0020] The collection windows 5 are arranged in pairs and are arranged in the middle of the opening screen 4 at a fixed interval; the camera modules are arranged in pairs and correspond to the collection windows 5 respectively.
[0021] In this arrangement, two camera modules simultaneously collect the images of the pupils of the two eyes under the same light condition, thereby ensuring the comparison of the pupil data of the two eyes.
[0022] Each camera module is composed of a plurality of ring-arranged cameras 8; each camera 8 is electrically connected to the processor 7. Each camera 8 is a CCD depth camera.
[0023] Through this arrangement, a plurality of cameras 8 form a collection array, thereby realizing multi-angle image collection and generating a three-dimensional structure in the image synthesis system in the processor 7, thereby meeting the measurement requirements of the pupil size.
[0024] Further comprising a distance sensor 9, which is fixedly arranged in the center of each camera module; and each distance sensor 9 is electrically connected to the processor 7.
[0025] In this arrangement, the processor 7 measures the distance between the glasses of the examinee and the opening screen 4 by using the distance sensor, thereby fusing the distance parameter with the graphic algorithm in the processor 7 to complete the high-precision calculation of the diameter change of the pupil under each light condition.
[0026] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A binocular pupillary dynamic optometric reflex measuring device, characterized in that, Include: The shell (1), one side of the shell (1) is provided with chin support (2) and cover (3) for the eye of the subject to provide darkroom environment; Aperture screen (4), the aperture screen (4) is fixedly arranged in the cover (3), and the aperture screen (4) is provided with a transparent collection window (5); Camera module, the camera module is fixedly arranged at the back of the aperture screen (4), and corresponds to the collection window (5); Touch screen (6), the touch screen (6) is fixedly arranged on the side of the shell (1) away from the cover (3); The processor (7) is arranged inside the shell (1), and the aperture screen (4), the camera module and the touch screen (6) are respectively electrically connected with the processor (7).
2. The binocular pupillary dynamic-photorefraction measuring device according to claim 1, characterized in that: The collection window (5) is arranged in pairs and is divided into parts in the middle of the aperture screen (4) with a fixed interval; the camera module is arranged in pairs and corresponds to each collection window (5) one by one.
3. The binocular pupillary dynamic-photorefraction measuring device according to claim 2, characterized in that: Each camera module is composed of a plurality of annularly arranged cameras (8); each camera (8) is electrically connected with the processor (7).
4. The binocular pupillary dynamic phoropter reflection measurement device according to claim 3, characterized in that: It also includes a distance sensor (9), the distance sensor (9) is fixedly arranged in the center of each camera module; and each distance sensor (9) is respectively electrically connected with the processor (7).
5. The binocular pupillary dynamic phoropter reflection measurement device of claim 3, wherein: Each camera (8) is a CCD depth camera.
6. The binocular pupillary dynamic phoropter device of claim 1, wherein: The shell (1) is provided with a power supply (10) and a buzzer (11) electrically connected with the processor (7).