ETDRS PRP With IVR Versus Retinal Photocoagulation Targeted to Ischemic Retina With IVR for the Treatment of PDR

"Patients were treated with single-spot targeted retinal photocoagulation directed toward areas of retinal nonperfusion detected by fluorescein angiography. In this group, laser treatment was performed in two sessions (week 0 and 2), with a shot duration of 100 ms, but spots were placed 1/2 burn apart and power modulated in order to generate moderately white spots on the retina.~Retinal photocoagulation was performed with single-spot full-scatter PRP using Purepoint green diode laser (Alcon, Fortworth, Texas) with an Ocular Mainster PRP 165 lens with a dynamic field of view of 180 degrees, and a 200 micron spot size (which produces a 392 micron spot size on the retina). Intravitreal injection of 0.5 mg (0.05 ml) ranibizumab (Lucentis®) (IVR) were performed 180 minutes after the first laser session (week 0) by a single retina specialist."

Panretinal photocoagulation (PRP) as described in ETDRS Study combined with intravitreal injection of ranibizumab