Optometry method and equipment based on eye chart

Abstract

The invention discloses an optometry method and equipment based on an eye chart. The optometry method is applied to at least one optometry device and a control terminal, the control terminal is connected to the optometry device in communication, and the optometry device includes at least one target lens group and at least one control target lens group. The driving component for driving, the method includes: controlling the terminal to display the eye chart on the first screen, and the optometry device displaying the corresponding eye chart on the second screen; controlling the terminal to detect whether any icon included in the eye chart is set on the first screen; Go to the first screen to set any icon included in the eye chart, and the control terminal converts the icon into target lens data, and sends an instruction containing the target lens data to the optometry device; the optometry device reads and processes the target lens data. and according to the instruction, the driving element provides driving force to the target lens group, and drives the target lens group to meet the target lens data.

Description

technical field [0001] The invention relates to the technical field of visual acuity measurement, in particular to an optometry method and equipment based on an eye chart. Background technique [0002] Glasses are the most common vision correction tool. When people have vision problems, they will choose to go to a hospital or an optical shop to get glasses for vision correction. The process of distributing glasses is generally to first determine the visual acuity through optometry, then measure the interpupillary distance, and then select lenses and frames based on the visual acuity and interpupillary distance to make glasses. [0003] Optometry is the premise of getting good glasses. Most people attach great importance to this issue. There are two main purposes of optometry: one is to check whether the decrease in vision is caused by refractive errors (myopia, hyperopia or astigmatism) or eye diseases ; The second is to determine the degree of refractive error. [0004] ...

AI Technical Summary

Problems solved by technology

[0005] In the process of optometry, after the subject obtains the degree through subjective judgment, the optician needs to adjust the lens of the optometry device according to the degree, and every time the subject needs to adjust the degree, the optician needs to readjust the lens according to the degree. It is very troublesome to calculate and adjust the optometry device

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