Panretinal Photocoagulation for Proliferative Diabetic Retinopathy: Pattern Scan Laser Versus Argon Laser

When using traditional laser settings, PRP performed with the PASCAL is less effective than that performed with traditional argon laser in effecting lasting regression of retinal neovascularization in the setting of previously untreated high-risk PDR. Physicians may need to change treatment parameters when using PASCAL pattern laser therapy for high-risk PDR.