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