Causes of Dry Eye -
|Scarring in the eye, due to any reason
like Chronic Inflammation as in Trachoma,
|Some drugs like diuretics, antihistaminics, sleeping pills, beta blockers
taken for hypertension.|
Feeling of dryness, burning, stinging in eye, excess tearing,
redness of eyes, stringy mucus
in and around the eye, difficulty in wearing contact lenses.
Even women suffer from dry
The eye-doctor will do some simple tests in
the office, to detect the severity of your dry eye condition, and
accordingly, he will advice you about the treatment you need. The tests
include putting some eye drops and observing your eyes on the Slit-Lamp
magnification. He may measuring the wetting of a filter-paper put in your
Ways to treat Dry eye:
A trial of Artificial tears is simple and effective in relieving the
symptoms, though not the basic illness.
A host of Tears substitutes are available in the market.
They contain -
|Methyl cellulose and its derivatives e.g. Tears Naturale.|
|Polyvinyl alcohol e.g. Hypotears.|
Preservative free tears are advocated mainly for those with allergies
,though they can be used by others too. They may be more expensive.
Applying Lubricating ointment at night helps.
Occlusion of the lacrimal punctum with Silicon
Punctal Plugs. This decreases the drainage of tears and keeps the eye
wet, thus conserves tears. The Silicon Plugs are tiny, shaped like a
double arrow and do not cause any irritation to the eye. They can be
removed and inserted with ease, by the eye-doctor, in the office.
A permanent treatment of dry eye is Punctal
Occlusion (Blockade). This means the lacrimal punctum is blocked by using
Laser Burn or with heat Cautery. It is not done very frequently but is of
great help in cases of severe dry eye.
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