KR20060024837A - A eyesight functional test equipment - Google Patents

Abstract

This tester is a variety of electronic storage media (3, 3) for visual inspection and visual function inspection to the image realization device such as a liquid crystal display device, a plasma display panel (1), not a conventional projection, projection, printing plate (3) The visual acuity table (Fig. 2, Fig. 3) programmed as -1,3-2,3-3,3-4) is provided through a multimedia player device 2, which is hardware or software, for a plurality of visual acuity charts (Fig. 2). 3, the method is shown to the testee (A) by displaying.

It is possible to adjust the size of the correct target (Fig. 2, Fig. 3) according to the required distance between the examinee (A) and the visual acuity table (Fig. 2, Fig. 3). The error can be minimized.

In addition, it is designed to increase the accuracy of the measurement even if the tester (C) in the remote area by using the Internet communication network (4) to examine the test subject (A), color blindness, color blindness test (10-2) that could not be demonstrated in the existing eye measurement table (10-2). ), Macular degeneration test (10-3), exercise test (10-1), brightness test (10-4), reaction tests, etc. , Can be modified.

Visual acuity chart, visual acuity chart, visual function test, visual acuity test,

Description

Vision and visual function test device {a eyesight functional test equipment}

BRIEF DESCRIPTION OF THE DRAWINGS The schematic diagram which shows the whole structure of the inspection system of embodiment of this invention.

2 is a schematic diagram of a general optometry table of an embodiment of the invention.

3 is a schematic diagram showing a special target of an embodiment of the present invention;

The present invention relates to an apparatus for displaying various targets required for visual acuity and function test. Specifically, a plurality of targets required for visual acuity and visual function test are programmed into a device capable of realizing an image such as a liquid crystal display and a plasma display panel. The present invention relates to a device that is stored in a digital storage medium and displayed to a subject.

Conventionally, a general visual acuity table is printed on an acrylic plate and displayed by a rear light source, or projected and projected by an optical light source device to read a symbol or a character to a subject at a predetermined distance.

However, such a printed vision inspection device has a difficulty in accurate measurement because the wavelength of light emitted from the light source affects the subject, and in the case of optical projection and projection devices, the sharpness of the vision table is fixed due to the influence of ambient light. As a result, problems arise in tests requiring accuracy.

In addition, in the case of printed visual acuity tables, the volume is large and must be fixed to the wall.

Even in the case of optical projection and projection devices, if the designated distance is changed, it is difficult for the inspector to arbitrarily adjust and the built-in targets are limited. Therefore, it is impossible to select a target suitable for the conditions of various examinees.

Also, in the case of printing, projection, projection, etc., movement and various colors could not be implemented, so it was impossible to inspect during exercise, color weakness, color blindness test, contrast test, etc., and the number of displayed marks was limited. There is a drawback in not being able to present the targets according to their conditions.

It is a fixed and stable internal light source, which is not affected by the ambient light or light source to improve the accuracy of vision and visual function test, and it is easy to adjust the distance between the examinee and the device regardless of the examination space and place. It should also be able to support this necessary inspection.

In addition, it should be able to show various indicators with sufficient scalability and be a reliable device for remote inspection by remote inspection by using communication network such as wired and wireless internet.

In order to solve this problem, the present invention utilizes a video device (1) capable of realizing a video such as a liquid crystal display device and a plasma display panel including a fixed and stable self-light source (250 cd / m 2 or more). Various visual acuity tables (FIGS. 2 and 3) of the computer (3-1), external hard disk (3-2), USB memory (3-3), flash memory (3-4), compact disk, digital video Characterized in the electronic storage medium such as a disk and the multimedia player (2) to implement this file and program to deliver the image to the test subject through the hardware or software (1) such as liquid crystal display device, plasma display panel, etc. This is (Figure 1).

Hereinafter, an embodiment of FIG. 1 will be described in detail.

Various inspection marks (FIGS. 2 and 3) in the form of files or programs can be used as a hard disk (3-1), an external hard disk (3-2), and a USB memory (3-). 3) Save to electronic storage media such as flash memory (CFⅠ, Ⅱ, SMC, MS, MS PRO, SD, Mini SD, MMC, Memory Stick, Memory Stick Pro, XD card, etc.), Compact Disc, Digital Video Disc, etc. Displayed as the imaging device 1 through the hardware or software multimedia player (2) device and the examiner (B) is driven by a wireless control unit such as a remote control (2-1) or a wired control unit such as a keyboard (5), Demonstrate this by the subject (A) read.

The multimedia player 2 can be externally mounted as an independent device, and is embedded in the computer main body 3-1 in the form of a program, and in the form of a circuit in the liquid crystal display and the plasma display panel as the display image device 1. .

Unlike the fixed conventional vision measurement table (FIG. 2), a special target requiring the expression of motion and color, brightness, saturation, etc. due to the video device 1 freely expressing video, including brightness, saturation, and color (FIG. 3). Can be demonstrated, and it is easy to expand and use a large amount of electronic storage media (3-1, 3-2, 3-3, 3-4) to meet the condition of the subject including a large number of multiple specimens. Various indicators (FIGS. 2 and 3) are displayed, and as the change, replacement, conversion and modification of the indications are easy, the cost is reduced accordingly, and the size of the visual acuity table displayed during the production of the indications (FIGS. 2 and 3). The problem of place and space was solved by adjusting the ratio to the ratio of distance and making it selectable according to the distance between the subject (A) and the device in the realization.

The device can be connected to a computer and the Internet communication network 4 to standardize settings such as display screen refresh rate, screen resolution, color quality, etc., so that even a remote inspector (C) can inspect the subject (A) with considerable accuracy. And reliability can be obtained.

In addition, when the device is not used for inspection, it can be used as a television or a clock, and can also be used as a display device that shows audio and digital photos using a video advertisement board or an electronic sound source.

The present invention enables an accurate and reliable visual and visual function test that is not influenced by the ambient light and the wavelength of the light source due to the image realization device using a fixed and stable light source, eliminating the restriction of the test place and space, and the existing visual acuity. Inspection using special indicators, which required movement, color, brightness, and saturation, was also possible.

The use of a large-capacity, scalable electronic storage medium facilitates replacement and conversion, including a large number of indicators, and greatly reduces the cost of producing, replacing, and modifying the indicators.

In addition, by using a communication network such as wired and wireless Internet, the remote tester can provide a test that is sufficiently reliable for remote test, and when it is not used for test, it is also demonstrated on television, commercial video, clock, and other displays. This makes it versatile.

Claims (4)

In the apparatus for presenting various targets for visual acuity and visual function examination to the examinee, a plurality of types of targets are in the form of electronic programs and files, and the targets are stored in electronic storage media, and the liquid crystal display device and the plasma display panel are image display devices. Visual acuity and visual function test device characterized in that shown by. The method of claim 1, Vision and visual function device, characterized in that the indication presented to the subject may include a moving video and a special type of indication requiring the display of color, brightness, saturation, and the like. The method of claim 1, Vision and visual function device, which allows the inspector to arbitrarily select and adjust the target according to the distance conditions according to the distance between the subject and the display device. In the device that presents various targets for visual acuity and visual function inspection to the examinee, the remote inspector can standardize the setting of display screen refresh rate, screen resolution, color quality, etc. Vision and vision devices that feature reliable accuracy even during examinations.

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