The Effects of Diabetic Duration on Lacrimal Functional Unit in Patients with Type II Diabetes

Table 1

Classification of severity in corneal epithelial lesions.

Area: corneal surface area	Density: density of damaged lesions
A0: no punctate staining	D0: no punctate staining
A1: less than one-thirds	D1: sparse density
A2: one third to two-thirds	D2: moderate density
A3: more than two-thirds	D3: high density with overlapping lesions