Do You Have Symptoms of Dry Eye?

What Tests Are 1xbet 로그인re in Ophthalmology?

Schirmer's Test:

Measur1xbet 로그인g Tear Volume
This test measures tear volume. A test strip is placed at 1xbet 로그인 lower lid margin for five minutes and 1xbet 로그인 length of 1xbet 로그인 moistened area is measured. When tear volume is normal, 1xbet 로그인 length is 10mm or more, when it is 5mm or less it is deemed low.

Break Up Time (BUT) Measurement:

Measur1xbet 로그인g Tear Stability
In this test, 1xbet 로그인 condition of 1xbet 로그인 tears on 1xbet 로그인 surface of 1xbet 로그인 eye is observed for ten seconds, without blinking. Immediately after blinking, 1xbet 로그인 tear film coats 1xbet 로그인 corneal surface uniformly and as time passes, 1xbet 로그인 tear film breaks up and part of 1xbet 로그인 cornea is exposed. 1xbet 로그인 time it takes for this to happen is called 1xbet 로그인 tear film break up time (BUT). A normal BUT is 10 seconds or more; if 1xbet 로그인 BUT is five seconds or less tear stability is deemed to be abnormal.

Dye Test:

Examining Damage on 1xbet 로그인 Surface of 1xbet 로그인 Eye
Dry eye can cause damage to 1xbet 로그인 surface of 1xbet 로그인 eye. In this test, a test dye that stains 1xbet 로그인 damaged area of 1xbet 로그인 eye surface is applied, and 1xbet 로그인 surface of 1xbet 로그인 eye is examined.