What do you mean by presbyopia

1.	What do you mean by presbyopia
Answer» Presbyopia is a diesease in which the man who is not able to see nearly and distant object.For correction this diesease we use bifocal lens which helps us to see nearly as well as distant object. Presbyopia is a condition associated with the aging of the eye that results in progressively worsening ability to focus clearly on close objects. Symptoms include difficulty reading small print, having to hold reading material farther away, headaches, and eyestrain. ... Presbyopia is a natural part of the aging process.

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