Ologen Implantation versus Conjunctival Autograft Transplantation for Treatment of Pterygium

Figure 1

The surgery procedure of pterygium excision combined with Ologen implantation. 1: topical anaesthesia. 2: the head and body of the pterygium was excised by a scissor. 3: removed down to bare sclera. 4: put the Ologen under the conjunctival flap. 5: left a 2.0 mm width of bare sclera at the limbus. 6: sutured the flap with 10-0 nylon on the sclera.