Eyes: Mean tear test (mm)

Score

Definition

>10

0

No symptoms

6 - 10

1

Mild dry eye symptoms without any effect on daily activities, but person needs eye drops >3 times per day or may be signs of KCS can be seen without symptoms.

<5

2

Moderate dry eye symptoms which partially affects daily activities and topical drops are required >3 times a day with or without the need of punctual plugs. In this grade vision does not get affected.

Test not done

3

Severe dry eye symptoms resulting in inability to do person’s daily activities and causing significant disability for work due to severe uncomfortable or impaired vision due to KCS