The foveal avascular zone, or FAZ, area deteriorated at 12 months in eyes with stable laser-treated proliferative diabetic retinopathy and macular capillary nonperfusion, but vision loss was not common, according to a study.
“With the advent of optical coherence tomography angiography (OCTA), it is now possible to measure changes in FAZ area and other vascular metrics objectively over time,” Sridevi Thottarath, MS, of Moorfields Eye Hospital in London, and colleagues wrote. “Despite only modest correlation between changes in FAZ area and visual impairment over time, FAZ