Epiretinal membrane (ERM). The patient is a 58-year-old man who had a macula-off retinal detachment in the right eye and underwent a scleral buckle and pars plana vitrectomy procedure. Images were taken 7 months later, at which time visual acuity was 20/100. A, Fundus photograph showing direction of optical coherence tomography (OCT) images. B, StratusOCT demonstrates a small amount of cystoid macular edema. C, The corresponding ultrahigh-resolution OCT image additionally demonstrates a thin ERM. D, The ERM (×2 magnification). The retinal nerve fiber layer (RNFL) seems wrinkled underneath the membrane.