Dry
Eyes or Keratoconjunctivitis Sicca is a common disorder & is caused by eye
dryness. Dry eye is caused by multiple factors involving tears & ocular
surface. This in turn results with symptoms of
discomfort, visual disturbance & tear film instability with potential
damage to ocular surface. Dry eye
syndrome can affect anyone, but it becomes more common with increasing age.
Developing Dry Eyes-
Dry
eyes affect about 15 to 33 in 100 people, that is, possibly as many as a third
of older people. Women are affected much more often than men. Dry eye is more
common after menopause. Women who experience menopause prematurely are more
likely to suffer from dry eye. According to reports people above 50 years of
age are most likely to suffer from dry eyes.
Be Alerted If –
Symptoms
of dry eyes include stinging or burning or scratchy sensation in the eye. You
also get a sensation of having something sandy or gritty in your eyes. Your
eyes feel tired and fatigued. Your eyelids may feel heavy. Your eyes suffer from
pain & redness. You may get stringy discharge from eyes. You suffer from
episodes of excess tears following very dry eye periods & also episodes of
blurred vision.
Other common dry eye discomforts
include:-
- You develop sensitivity to light
- You might experience increased eye irritation from smoke or wind
- Experience inability to cry when emotionally stresses
- Experience decreased tolerance of reading, working on the computer, or any activity that requires sustained visual attention
Dry Eye Causes -
Dry
eye can be due to multiple factors. It can be a side effect of some medications
like antihistamines, nasal decongestants, tranquilizers, certain blood pressure
medicines, birth control pills, anti-depressants, or some homeopathic remedies.
These medications may decrease tear production leading to dry eye syndrome.
Allergies can also be associated with dry eye. It can be a temporary case in
women who are pregnant and women who are on hormone replacement therapy may
also experience symptoms of dry eye.
Associate Factors Causing Dry Eyes
Poor
production of tears by the tear glands, either due to age, hormonal changes or
due to various autoimmune diseases such as Sjogren syndrome, rheumatoid
arthritis or lupus, may also cause dry eye. Skin diseases on or around the
eyelids can result in dry eye. Dry eye can also develop after refractive surgery
known as LASIK & symptoms could generally last up to six months or may be
longer. Infrequent blinking associated with staring at a computer or video
screens may also lead to dry eye syndrome.
Environmental Influences Promoting Dry
Eyes
Dry
eye can also be caused due to chemical and thermal burns that scar the membrane
lining eyelids & covering the eye. Both excessive & insufficient
dosages of vitamins can contribute to dry eye. Long-term contact lens wear
which may affect cornea, can also cause dry eye. Exposure to irritants like
chemical fumes, smoke, or drafts from air conditioning or heating can also lead
to a dry eye syndrome.
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