Presbyopia, a type of refractive error common in adults over the age of 40, is a natural part of the aging process where the lens in the eye begins to harden over time making it more difficult for the eye to focus at close. This impact to vision continues over time and prescription updates may be needed to see clearly. Reading glasses, contact lenses, multifocals or progressive lenses will help.
Symptoms:
Headache,
eyestrain,
blurred vision with close object