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 |