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Precautions for configuring reading glasses

Views:5     Author:Site Editor     Publish Time: 2020-11-11      Origin:Site

Precautions for configuring reading glasses

1. The picture is cheap and clear.Street of presbyopic glasses eyes tend to the same degree, and distance is fixed, but the vast majority of older people of refractive errors such as myopia, hyperopia or astigmatism, and aging degree of different eyes, pd is different also, if the glasses casually, not only cannot achieve the best effect, make the old man's vision will generate visual noise, appear the phenomenon such as eye strain.


2. Eye diseases cannot be ruled out without optometry.Before matching with reading glasses, you should go to the hospital for a comprehensive examination of your eyes, including far vision, near vision, intraocular pressure and fundus examination.The degree cannot be determined until cataracts, glaucoma and some fundus diseases are ruled out.The degree of presbyopia changes with age, so it's best to get an optometry every three to five years instead of wearing overly light glasses for a long time.


3. Wear reading glasses to the end.The degree of presbyopia increases with age.Once the reading glasses are not appropriate must be replaced in a timely manner, otherwise it will bring a lot of inconvenience to the life of the elderly, but also accelerate the degree of presbyopia.At the same time, the life of reading glasses is limited, and after a long period of use, the lenses will appear scratches, aging and other phenomena, resulting in the decrease of optical flux, affecting the imaging quality of the lenses.


4. Magnifying glasses instead of presbyopia.The old man often USES a magnifying glass instead of reading glasses.Magnifying glass into reading glasses equivalent to 1000-2000 degrees, for a long time so "indulgence" eyes, such as with reading glasses when it is difficult to find the right degree.

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