Dry Eye Reference

Schirmer's Tear Test

Type Wetting
Type I - Without Anesthesia 10-30mm
Type II - With Anesthesia >8mm

Tear Breakup Time

Result Breakup Time
Normal ≥10 seconds
Abnormal <10 seconds

Zone Quick Tear Test

Result Wetting
Normal >20mm
Marginal 10-20mm
Dry <10mm