Handhold equipment for inspecting vision and method

A technology for checking eyesight and hand-held devices, applied in the field of hand-held devices for checking eyesight, it can solve the problems of high requirements on the inspection environment and users being unable to perform vision checks at any time, so as to avoid testing situations, strengthen the awareness of eye protection, and protect eyesight in real time. Effect

Active Publication Date: 2013-01-02
HUAQIN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to overcome the defects in the prior art that the inspection environment of the vision inspection is relatively high and the user cannot perform the

Method used

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  • Handhold equipment for inspecting vision and method
  • Handhold equipment for inspecting vision and method

Examples

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Embodiment Construction

[0047] The present invention is further illustrated below by means of examples, but the present invention is not limited to the scope of the examples.

[0048] refer to figure 1 , introducing the handheld device for checking eyesight described in this embodiment, which includes:

[0049] A storage device 1, used for storing the visual acuity chart and the corresponding relationship between the display size of the visual acuity icon element in the visual acuity chart and the arm length value, and the visual acuity icon element is used for checking eyesight;

[0050] A display device 2, used to display the eye chart and vision test results;

[0051] A first instruction receiving device 3, used to receive the arm length value input by the user and the selection of the visual icon element by the user;

[0052] A second instruction receiving device 4, configured to receive feedback information from the user, the feedback information being a description of the selected vision icon...

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Abstract

The invention discloses handhold equipment for inspecting vision and a method. The handhold equipment for inspecting the vision comprises a storage device, a display device, a first instruction receiving device, a second instruction receiving device and a control device, wherein the storage device is used for storing a vision table and a corresponding relation of display size of a vision icon element in the vision table and an arm length value; the first instruction receiving device is used for receiving the arm length value input by a user and selection of the user to the vision icon element; the second instruction receiving device is used for receiving feedback information of the user, wherein the feedback information is the description to the selected vision icon element; and the control device is used for calling the corresponding vision table according to the arm length value to display on the display device, and comparing the feedback information with the selected vision icon element to obtain a vision inspection result. By adopting the handhold equipment, the trouble of testing in a hospital or an eyeglasses store is eliminated, so that a user can conveniently test vision anytime.

Description

technical field [0001] The invention relates to a hand-held device and method for checking eyesight. Background technique [0002] With the increasing popularity of electronic products such as computers and televisions, people spend more and more time in front of the screen, and health problems, especially vision problems, are becoming more and more prominent. Usually users will have their eyesight checked in a hospital or optical shop. [0003] The currently used eye chart mainly checks the central vision, that is, checks the central visual acuity in the macular area of ​​the retina, so that the preliminary situation of visual function can be easily and quickly understood, which is of great significance for the clinical diagnosis and treatment of eye diseases. [0004] Visual acuity checks are generally divided into two categories: distance vision and near vision. The distance vision mostly adopts the international standard eye chart, which is composed of 12 rows of "E" ch...

Claims

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Application Information

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IPC IPC(8): A61B3/032
Inventor 王仕超陈艳
Owner HUAQIN TECH CO LTD
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