Gas used in retinal temponade-: (A) SF6, (B) Ethylene oxide, (C) Nitrous oxide, (D) CO2
Answer is A. SF6 Pars plana vitrectomy (PPV) with gas tamponade is widely popular for the treatment of rhegmatogenous retinal detachment . Four different intraocular gases are commonly used in vitreoretinal surgery: air, sulfur hexafluoride (SF6), perfluoroethane (C2F6) and perfluoropropane (C3F8). Indications for tamponades- To drain subretinal hemorrhages/fluid To provide internal tamponade of retinal breaks in postoperative cases