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Dry Eye Treatment

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What are Dry Eyes?

The chronic lack of adequate lubrication and moisture on the surface of the eye can result in a condition called dry eye syndrome. Dry eye occurs when the eye does not produce tears properly, or when the tears are not in consistency and evaporate too quickly. In addition, inflammation of the surface of the eye may occur along with dry eye. If left untreated, this condition can lead to pain, ulcers, or scars on the cornea, and also result in some loss of vision. However, permanent loss of vision from dry eye is uncommon.

Dry eye can make it more difficult to perform some activities, such as using a computer or reading for an extended period of time. It can also decrease tolerance for dry environments, such as the air inside an airplane.

Causes

Dry eye can be a temporary or chronic condition. Some of its probable causes include:

  • Side effects of medications such as antihistamines, nasal decongestants, tranquilizers, certain blood pressure medicines, Parkinson’s medications, birth control pills, and antidepressants.
  • Skin disease on or around the eyelids.
  • Diseases of the glands in the eyelids, such as meibomian gland dysfunction.
  • Dry eye can occur in women who are pregnant.
  • Dry eye can also develop after the refractive surgery known as LASIK.
  • Chemical and thermal burns that scar the membrane lining the eyelids and covering the eye.
  • Infrequent blinking associated with staring at computer or video screens, may also lead to dry eye symptoms.
  • Both excessive and insufficient dosages of vitamins can contribute to dry eye.
  • Dry eye may occur from exposure keratitis, in which the eyelids do not close completely during sleep.