Patient Comfort Using Green vs. Yellow Pan Retinal Photocoagulation

"* Prior to procedure, eligible patient is dilated and a topical anesthesia is administered 3 to 5 minutes prior to treatment initiation~* Treatment duration is fixed at 50 minutes and power is titrated until moderate gray-white burns are achieved, avoiding long ciliary nerves~* Target treatment of 250 spots~* Only one eye per eligible patient randomized with regard to whether green or yellow laser utilized first~* After treatment,pain assessment conducted:spot count, laser parameters and treatment duration recorded for each respective laser wavelength"