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Dry eye syndrome is a common condition that affects millions of people - women more often than men. In some instances, it is characterized by dry, irritated eyes due to a lack of lubricating tears. Surprisingly, it can also lead to excessively watery eyes due to tears lacking the proper balance of mucous, water, and oil to coat the eyes properly. Chronic dry eye can lead to damage of the eye's surface, an increased risk of eye infections, and eventually, the inability to produce tears. Left untreated, severe forms of dry eye can even damage your vision.
Symptoms of dry eyes may include burning and stinging. A foreign body sensation, like sand being in the eye, is often encountered. Vision can be blurred. Reflex tearing may be triggered causing excessively watery eyes. Sometimes, redness of the eye is experienced. When looking in a mirror, the eyes may seem to have lost their normal clearness and luster.
Sunny, dry, or windy weather, heaters, air conditioners, and arid high altitudes increase the evaporation of tears from the surface of your eyes. You may experience dry eye symptoms while viewing television, computer screens, or while reading.
If you have too much tear drainage, you may experience dry eye symptoms and related congestion of the nose, throat, and sinuses.
Contact Lens Wear
Contact lens wear increases tear evaporation and related dry eye symptoms. Dryness may result in protein deposits on the lens, eye irritation, pain, infection, or sensitivity to contact lens solutions. Dry eye symptoms are the number one reason people stop wearing contact lenses.
The oily or lipid layer of your tear films is produced by glands on the inside of the eyelid called meibomian glands. If these glands are damanged or blocked, they will not produce enough lipid to properly lubricate your eyes. This process is called meibomian gland dysfunction.
Demodex are microscopic organisms that can infect the eye lid, causing meibomian gland dysfunction and a dry, gritty feeling in the eyes.
Tear production gradually decreases with age. At age 65, the tear glands produce about 40 percent of the lubricating tears they produced at age 18. Decreased tear production may cause eye irritation and excess tearing or watery eyes.
Tear production may be reduced if you take certain medications, including decongestants, antihistamines, oral contraceptives, tranquilizers, and diuretics. If you are taking any medication, ask your doctor if it contributes to your dry eye condition.
Some special health problems can result in side effects of dry eye syndrome, such as arthritis, diabetes, thyroid abnormality, asthma, or an autoimmune condition known as Sjörgren's Syndrome, which affects mostly middle-aged women. Also, women experiencing hormonal changes, such as pregnancy or menopause, may contract dry eye.
Yes. Dry Eye Syndrome is the leading cause of contact lens intolerance or discomfort. Contacts can cause tears to evaporate from the eyes causing irritation, protein deposits, infection, and pain.
How is dry eye syndrome treated?
Common treatment of dry eye syndrome includes the use of artificial tears or artificial tear ointments. Prescription treatment options are available.