Dry Eye Syndrome

Dry eye syndromeDry eye is a condition in which there are insufficient tears to lubricate and nourish the eye. Tears are important for maintaining the health of your eye and providing good vision. If you have dry eyes, you either do not produce enough tears or have a poor quality of tears. Dry eye is a common and often chronic problem, especially in older adults.

What Are Tears Anyway?

The eye requires constant moisture and lubrication from the flow of tears to help maintain vision and comfort. Tears are a combination of:

  • Water (for moisture)
  • Oils (for lubrication)
  • Mucus (for even spreading)
  • Antibodies and special proteins (for resistance to infection)

These components are secreted by special glands located around the eye. When there is an imbalance in this tear system, a person may experience dry eyes.

Symptoms of Dry Eye Syndrome

  • Stinging or burning
  • Gritty feeling
  • Scratchy eyes
  • Blurred vision
  • Excess watering
  • Redness
  • Tired or irritated eyes

Causes of Dry Eye Syndrome

In addition to an insufficient tear system, dry eyes can be caused by situations that dry out the tear film (the liquid layer that bathes the cornea). This can be due to dry air from air conditioning, heat, or other environmental conditions. Other conditions that may cause dry eyes are:

  • AgeAs we age, tear production tends to diminish. That’s why dry eyes are more predominant in people over the age of 45.
  • GenderBecause of hormonal changes with pregnancy, menopause, and contraceptives, women tend to be more likely to develop dry eyes than men.
  • MedicationsPrescriptions like antihistamines, decongestants, blood pressure medications and antidepressants can cause tear reduction as a side effect.
  • Medical ConditionsPeople who experience rheumatoid arthritis, diabetes and thyroid problems are also likely to experience dry eye symptoms.
  • Environmental ConditionsFactors like wind, smoke and dry climates speed up the evaporation process, leading to dry eyes.
  • Other FactorsLong-term contact wearers and recipients of LASIK surgery are also more susceptible to dry eyes than those that wear glasses or use no form of vision correction.

Treatment for Dry Eye Syndrome

Though dry eyes cannot be cured, there are a number of steps that can be taken to treat them. You should discuss treatment options with your eye care specialist.

Dry eye syndromeTreatments for dry eyes may include:

Artificial tear drops and ointments

The use of artificial teardrops is the primary treatment for dry eye. Artificial teardrops are available over the counter and with a prescription. No one drop works for everyone, so you may have to experiment to find the drop that works for you.

Temporary punctal occlusion

Sometimes it is necessary to close the ducts that drain tears out of the eye. This may be done temporarily with a dissolving plug that is inserted into the tear drain of the lower eyelid to determine whether permanent plugs can provide an adequate supply of tears.

Non-dissolving punctal plugs

If temporary plugging of the tear drains works well, then longer-lasting plugs or cautery may be used. These measures increase the tear level by blocking the “drain pipe” through which tears normally exit the eye and enter the nose.

Lipiflow

Lipiflow is a medical device that uses heat and pressure on the eyelids to unclog blocked glands. These glands produce oil as part of the tear film. The oil lubricates the eye and prevents the tears from evaporating.

Restasis

The FDA approved the prescription eye drop Restasis for the treatment of chronic dry eye. It is currently the only prescription eye drop that helps your eyes increase their own tear production with continued use.

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