What is Dry Eye?
"Dry Eye" occurs when the cornea is not kept well lubricated by tears and the eye becomes irritated and sensitive.
There are many causes of Dry Eye, including:
- aging
- arthritis
- pregnancy
- menopause
- exposure to irritants such as smoke, smog and aerosols.
Many common prescription and over-the-counter drugs can also cause Dry Eye. Some studies have found that a deficiency of Vitamin A may trigger the condition.
Dry Eye can interfere with normal vision and make it difficult to wear contact lenses. When Dry Eye is caused by a change in the chemistry of natural tears, the result is often uncontrolled tearing.
What are the symptoms of Dry Eye?
Symptoms of Dry Eye may include:
- Redness
- Dry, gritty-feeling or sticky eyes
- Too few or too many tears
- Trouble wearing contact lenses
- Hay fever or sinus problems
- Recurring eye infections
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