Corneal Nerve Regeneration after Self-Retained Cryopreserved Amniotic Membrane in Dry Eye Disease

Table 1

Grading of topographic pattern.

Shape	Regularity of shape
A: round	0: no irregularity
B: oval	1: minimal irregularity
C: symmetric bowtie	2: mild irregularity
D: asymmetric bowtie	3: moderate irregularity
E: unclassified	4: severe irregularity