How to use the vision chart of Guangzhou Zhongshan Eye Hospital to master your own eye health?

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How to use the visual acuity chart of Guangzhou Zhongshan Eye Hospital to master your own eye health

In daily life, it is very important to protect eye health. Vision examination is one of the important ways for us to understand our eye health. As a well-known ophthalmic hospital in Guangzhou, the vision chart provided by Guangzhou Zhongshan Eye Hospital can help us master our own eye health. This article will elaborate from four aspects: being familiar with the types of visual acuity chart, correctly using the visual acuity chart, interpreting the results of the visual acuity chart, and conducting regular visual inspection.

Be familiar with the types of visual acuity chart

In Guangzhou Zhongshan Eye Hospital, the commonly used visual acuity charts are Snellen visual acuity chart and E visual acuity chart. Snellen's visual acuity chart is in the form of capital letters, which gradually become smaller, and each line contains several letters. The E visual acuity chart tests the vision according to the different directions of the letter "E ". The different forms and layouts of these eye charts are designed to test different distances and vision problems. Understanding the characteristics of different visual acuity charts is conducive to the correct use and interpretation of the results.

Use the eye chart correctly

When using the visual acuity chart for testing, pay attention to the following aspects: first, ensure that the visual acuity chart is clear and visible, and there are no stains or fuzzy factors interfering with the results; Secondly, keep the correct test distance, generally 6 meters; In addition, the test environment should be of moderate brightness, without strong light or shadow affecting vision; Finally, focus and make quick choices when testing. The above precautions can ensure the accuracy of the test results.

Interpret the results of the visual acuity chart

The results of the visual acuity chart are usually expressed in fractions or decimals, such as 6/6 or 20/20. Where, the molecule represents the distance that the tested can see under the test distance; The denominator indicates the distance that a person with normal vision can see under the same test distance. For example, 6/6 indicates the distance that the testee can see at a distance of 6 meters, which is consistent with that of people with normal vision. When interpreting the results of the visual acuity chart, a score closer to 1 indicates better vision, while a score closer to 0 indicates worse vision.

Check your eyesight regularly

Vision is an important way for us to communicate with the outside world, and the health of the eyes will affect vision. In order to find eye problems in time and take necessary treatment measures, it is very important to carry out visual inspection regularly. The vision examination service provided by Guangzhou Zhongshan Eye Hospital can help us find eye problems as early as possible and prevent or treat possible eye diseases. It is recommended to have a comprehensive ophthalmic examination at least once a year to ensure the health of the eyes.

By getting familiar with the types of eye charts, using them correctly, interpreting the results of eye charts and conducting regular eye examinations, we can better understand our own eye health. Guangzhou Zhongshan Ophthalmology Hospital provides us with convenient vision inspection services to help us pay attention to and protect eye health at any time.