Critical Facts To Know About Recognizing And Treating Dry Eye

Tear Quality Tests

Tear quality tests can be used in the diagnosis of dry eye. There are two important components of tear production. The first is how many tears individuals produce, and the second is how effective those tears are. Tears are made up of several different substances, and these need to be balanced properly to provide adequate moisture. To determine the patient's tear quality, their doctor might use specialized dyes in normal eyedrops to determine what the surface of their eyes is like. If the patient's tears don't evaporate fast enough, their doctor may find staining patterns on their cornea. During this test, the doctor will also typically measure the amount of time before the patient's natural tears evaporate.

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