What is Dry Eye? - KTRE.com | Lufkin and Nacogdoches, Texas

What is Dry Eye?

Some people do not produce enough tears to keep the eye comfortable. This is known as dry eye.

Tears are produced by two different methods. One method produces tears at a slow, steady rate and is responsible for normal eye lubrication. The other method produces large quantities of tears in response to eye irritation or emotions.

A healthy eye constantly produces tears that lubricate. Excessive tears occur when a foreign body irritates the eye or when a person cries.

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