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20-40%
40-60%
60-80%
80-100%
Diabetes
Sjogren’s syndrome
Rheumatoid arthritis
Other autoimmune disease
Yes
No
Irritation
Itching
Burning or Stinging
Foreign Body Sensation
Redness
Watery Eyes
<20 %
>60%
10%
20%
30%
40%
<20
20-25
25-30
30-40
>40
Using symptoms and clinical observation
Performing Schirmer’s tear test
Using fluorescein staining
Combination of the above
Other Test