Question By: Dry eye disease is a common condition that occurs when your tears aren't able to provide adequate lubrication for your eyes. Tears can be inadequate and unstable for many reasons. For example, dry eyes may occur if you don't produce enough tears or if you produce poor-quality tears. This tear instability leads to inflammation and damage of the eye's surface.
Sometimes, there's a lack of balance in your tear-flow system. Or your air conditioner, heater, or other things around you could dry out your tear film. Other causes include:
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The natural aging process, especially menopause
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Side effects of certain drugs like antihistamines
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Diseases that affect your ability to make tears, like Sjogren's syndrome, rheumatoid arthritis, and collagen vascular diseases
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Problems that don’t allow your eyelids to close the way they should
Normally, our eyes constantly make tears to stay moist. If our eyes are irritated, or we cry, our eyes make a lot of tears. But, sometimes the eyes don’t make enough tears or something affects one or more layers of the tear film. In those cases, we end up with dry eyes.
Healthy eyes have a constant covering of “tear film,” which is a fluid membrane that enables clear vision and prevents the eyes from becoming dry. Tear glands are responsible for the production of tears. The main causes of dry eye are insufficient tear production and an imbalance in the tear mixture, which makes them evaporate too quickly.
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