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Presbyopia, also known as 老花 , is a physiological insufficiency of accommodation associated with the natural aging of the eye. The term...

Singapore, a city state in Southeast Asia, has a high prevalence of myopia. This is a public health concern because it can lead to higher...

There are a few categories of refraction: shortsightedness (myopia), longsightedness (hyperopia), astigmatism, and presbyopia. They are...