Subject: New Eye Color / Cataracts
A new eye color could be awaiting you. You are
thinking though, those
colored contact lenses always look so fake. When
many considerations as
well as type and design of lens are addressed, the new
color can appear
as real and natural as the original. There are more
color options
available than ever and these are also available in an
extensive prescription range.
One of the first and most important considerations is
which color to
choose. Not every color will look correct on every
person. When you
follow the appropriate guidelines you can really have
a new eye color
that enhances your appearance rather than turn you into an
alien. This
is of course unless you are trying to look like an
alien!
If your goal is to actually draw attention to your eyes,
custom hand-
painted lenses can be made with just about no restrictions other
than
your imagination. These hand-painted lenses grew from the need
for
prosthetic contact lenses (contact lenses that are something like
a
"glass eye"
Whether it is a hand-painted one-of-a-kind lens or a very
natural color
that you are interested in, the lens color you are looking for
is
available today.
What is a cataract?
cataract \Cat"a*ract\,
n
1: clouding of the natural lens
of the eye
2: a steep descent of
the water of a river [syn:
waterfall},
{falls} {cascade}]
The lens is located behind the pupil, the black 'window'
of the eye. A
cataract causes the normally clear lens to become cloudy. This
clouding
prevents the lens from properly focusing light on the retina at the
back
of the eye, resulting in a loss of vision. Cataracts are most
often
found in persons over the age of 55, but they are also
occasionally
found in younger people, including newborns.
What causes cataracts?
Chemical change within
the eye causes the lens to become cloudy. The
change may be due to advancing
age, heredity, injury, or disease,
excessive exposure to ultraviolet or
infrared radiation present in
sunlight or from furnaces, and cigarette
smoking. Certain medications
are also cataract risk factors (more
later).
Why are they called cataracts?
Sometimes
cataracts can be seen as a milkiness on the normally black
pupil. In ancient
times, it was believed this cloudiness was caused by a
waterfall - or
cataract - behind the eye.
Some interesting facts about the lens and
cataracts:
1. The lens consists of about 65% water.
2. There are no pain
receptors, blood vessels, or nerves in the lens.
3. A cataract is not a film
that grows over the surface of the eye.
4. Cataracts usually develop in
both eyes, often at different rates
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