Fig. 45. Deep sclerectomy with collagen implant: closure of scleral flap and conjunctiva. The scleral flap is sutured loosely back into position using two 10-0 nylon sutures. The collagen device swells, tenting the scleral flap upwards. The wound is closed by hooding the conjunctiva and Tenon's over the flap securing with two 8-0 polyglactin sutures.