Fig. 2From: Effect of the retention ring-assisted continuous application of riboflavin in pulsed-light accelerated corneal collagen cross-linking on the progression of keratoconusCorneal topographic changes (diopter) following modified pulsed-light accelerated cross-linking over time. Kmax (a), Kmin (b), Kavg (c), astigmatism (d), and irregular astigmatism (IR) at 3 mm (e) and at 5 mm (f)Back to article page