Foveal avascular zone area after internal limiting membrane peeling for epiretinal membrane and macular hole compared with that of fellow eyes and healthy controls

Purpose:
To measure the foveal avascular zone (FAZ) area after internal limiting membrane (ILM) peeling and to determine the factors significantly correlated with the FAZ area.
Methods:
This was a retrospective, observational, and cross-sectional study. The affected and normal fellow eyes of 102 patients with unilateral macular diseases and 169 healthy subjects were studied. The patients underwent successful vitrectomy with internal limiting membrane peeling for an epiretinal membrane (n = 56) or a macular hole (n = 46). The superficial FAZ area and average foveal (within 1 mm) thickness were measured. The main outcome measures were the en face FAZ area measured in the optical coherence tomography angiographic images.
Results:
The FAZ area in the epiretinal membrane group (0.148 ± 0.094 mm2) and in the macular hole group (0.255 ± 0.111 mm2) were significantly smaller than that in the healthy control group (0.358 ± 0.118 mm2; all, P

Source: RETINA - August 23, 2018 Category: Opthalmology Tags: Original Study Source Type: research