Dry Eye Treatment
When the tear glands are unable to produce enough tears to keep the eyes moist, the eyes cannot get rid of dust and other irritants. This causes blurred vision, burning, stinging and redness in the eye.
Typically, dry eye disease can be diagnosed through a comprehensive eye exam along with a verbal description of your symptoms; however our eye doctor may decide to do a test that measures how quickly your tears evaporate from the surface of your eye.
There are a couple of tests available for diagnosis such as Tear Break-Up test (TBUT) and Schirmer’s test.
TBUT involves instilling a simple dye called fluorescein in the eyes. After a blink, you will be asked to hold your eyes open, and the doctor is able to watch and count how long it takes before the tears start to break up. A low TBUT generally indicates a lipid (aka oil) deficiency in the tears resulting from oil glands in the eyelids not functioning properly. In another type of test, called a Schirmer’s test, a strip of filter paper is placed under the lid of the eye and you will be asked to close your eye for five minutes. Following the test the amount of moisture on the strip will be measured. Schirmer’s tests are performed less frequently than TBUT tests.
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