Figure 1From: The PALM Technique: histological findings of masked phototherapeutic keratectomy on rabbit corneasAblation rate of the gel was examined on irregular porcine cornea developed by means of 60 microns deep phototherapeutic keratectomy through a metal grid. The irregular cornea created was fully covered with PALM gel. Half of the cornea was ablated until the gel was fully removed. Ablation resulted in smooth cornea. Microphotograph. Original magnification ×Back to article page