Fig. 1From: Two-year topographic and densitometric outcomes of accelerated (45 mW/cm2) transepithelial corneal cross-linking for keratoconus: a case-control studyThe densitometry values over Φ0-2 mm of the anterior layer, central layer, posterior layer, and total layer of the corneas measured before and at 6, 12 and 24 months after ATE-CXL (The asterisk refers to a significant difference that was detected when compared with the preoperative value)Back to article page