Presbyopia

Presbyopia is a physiological insufficiency of optical accommodation associated with the aging of the eye; it results in progressively worsening ability to focus clearly on close objects. Also known as age-related farsightedness, it affects many adults over the age of 40. A common sign of presbyopia is difficulty in reading small print, which results in having to hold reading material farther away.

Other symptoms associated can be headaches and eyestrain.
Different people experience different degrees of problems.
Other types of refractive errors may exist at the same time as presbyopia.

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Source: Wikipedia · Image: Wikimedia Commons · CC BY-SA 4.0

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