Suprachoroidal hemorrhage during pars plana vitrectomy

Suprachoroidal hemorrhage is an uncommon but serious complication of pars plana vitrectomy that can be associated with a guarded visual prognosis. Risk factors for development of suprachoroidal hemorrhage during pars plana vitrectomy include high myopia, history of previous retinal detachment surgery, rhegmatogenous retinal detachment, use of cryotherapy, scleral buckling at the time of pars plana vitrectomy, external drainage of the subretinal fluid, intraoperative systemic hypertension, and bucking during general anesthesia. In eyes with suprachoroidal hemorrhage during pars plana vitrectomy, the final visual and anatomic outcomes may be compromised by persistent retinal detachment, secondary glaucoma, and ocular hypotony. In most cases, intraoperative drainage of suprachoroidal hemorrhage is not associated with a better outcome. The prognosis is more favorable if the suprachoroidal hemorrhage is localized and does not extend in to the posterior pole

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Idiopathic giant retinal tears in identical twins

PURPOSE: To report idiopathic unilateral giant retinal tears with retinal detachment in identical twins that occurred 2 weeks apart. METHODS: Case reports. RESULTS: In both patients, giant retinal tear and retinal detachment was treated with pars plana vitrectomy, placement of encircling scleral buckle, fluid-perfluorocarbon exchange, endolaser treatment, perfluorocarbon-air exchange, and 16% perfluoropropane injection. One year after retinal detachment surgery, cataract developed in both postoperative eyes. Phacoemulsification with posterior chamber intraocular lens implantation was performed on both eyes. Three and a half years after retinal surgery, corrected visual acuity in both treated eyes was 20/20, and retinal reattachment was successful. CONCLUSIONS: To our knowledge, this is the first report of idiopathic giant retinal tears in identical twins and raises the issue of genetic influences in the pathogenesis of this disease