What Are Cataracts And How Can I Tell?

When your vision becomes cloudy, usually because ofis small, but when it grows and spreads, the sight is
age, it may be caused by cataracts. The main effectdeteriorated. Temporarily, glasses and improvement in
of cataracts is blurred vision. So what is cataract andthe lighting can help to cope until the surgery is an
how it developed? The word cataract derives fromabsolute necessity.
the Latin word that means cascading waterfall. It isSecond, with the aging of the lens, it gradually loses its
metaphorically imported into the modern English for theclarity and may develop a shade of yellow or brown.
blurring of the eyes.As for the protein-induced cataracts, you may you not
So what is a cataract?be able to tell the difference at first. But with the
A cataract is a clouding over the lens of the eye,passage of time and increased browning, reading and
mainly because of age, except for a small percentageroutine activities become difficult.
of other secondary reasons such as diabetes,How do I know if I have cataracts?
exposure to ultraviolet light and so on U.S. The NationalCataracts do not show signs until they are some what
Institute of Health and National Eye Institute havedeveloped. However, these are the symptoms.
estimated that more than half of Americans over 801. Faded colors and blurred vision.
will develop cataracts or have already developed2. Poor night vision, but the headlights and sunlight may
them.appear too light with a halo around the source.
If you do not know already, cataracts do not spread3. Temporary double or multiple visions that are
from eye to eye, but it can happen in one or bothallowed, such as cataract develops further.
eyes.4. Frequent need to change contact lenses or glasses.
What are the causes of developing cataracts?Who is at risk? Should we worry?
More age-related cataracts develop either of the twoThose who consume large amounts of alcohol or
ways mentioned here.those who are exposed to UV radiation over a long
First, Clumping of the protein is one of the mainperiod are at risk of developing cataracts. Even
reasons for clouding of the eye lens. This happensdiabetics face the same risks. If you feel that you
when the proteins of the eye begins to denature as ahave any of the symptoms mentioned above, visit
result of aging. The person can't tell when the cataractyour ophthalmologist for screening.