A:
The natural tears that your eyes produce
are composed of three layers: (1) outer
oily layer, (2) middle watery layer, and
(3) inner mucus layer. Dry eyes either do
not produce enough tears or have excessive
evaporation of tears due to improper chemical
composition of the tear film.
Q:
I have dry eyes. Can my eye doctor help
me?
A: Dry eyes are caused when your
eyes do not produce enough tears, or the
tears do not have the
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