Who Need No Prescription Bifocal Reading Glasses?
It is widely known that reading glasses are designed for people with presbyopia. This group of people has difficulty in seeing close up objects clearly. They usually have to hold reading materials farther than normal if no vision aid is available. The term "too short arm" is often used to describe this problem. The symptom of presbyopia is quite similar to that of farsightedness. Presbyopia is closely associated with the eyes' natural aging,
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