Presbyopia is a vision condition in which the crystalline lens
of your eye loses its flexibility, which makes it difficult for
you to focus on close objects. Presbyopia may seem to occur
suddenly, but the actual loss of flexibility takes place over a
number of years. Presbyopia usually becomes noticeable in the
early to mid-40s. Presbyopia is a natural part of the aging
process of the eye. It is not a disease, and it cannot be
prevented. Some signs of presbyopia include the tendency to hold
reading materials at arm's length, blurred vision at normal
reading distance and eye fatigue along with headaches when doing
close work. A comprehensive optometric examination will include
testing for presbyopia. To help you compensate for presbyopia,
your optometrist can prescribe reading glasses, bifocals,
trifocals or contact lenses. Because presbyopia can complicate
other common vision conditions like nearsightedness,
farsightedness and astigmatism, your optometrist will determine
the specific lenses to allow you to se