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Getting old is inevitable,
but losing your vision doesn't have to be.
Presbyopia, or "aging vision," as it is commonly referred
to,
is the hardening of the lens and tightening of the eye
muscles
associated with aging.
This condition occurs in nearly everyone at some point
in their
lives, typically around the age of 40. Aging vision
causes the
ciliary muscle, which is the muscle that is responsible
for
focusing, to become inflexible. It is therefore unable
to change
the shape of the lens the amount required to focus on
near-point
objects.
At first you might find it hard to focus on the newspaper
or on
a menu at a restaurant. Before you know it, your arms
aren't
long enough to read anything.
Read the whole article here:
http://www.mimfreedom.com/2006/Vision/Vision4-Aging.htm
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