Fig. 1From: Short-term postoperative changes in the choroidal vascularity index in patients with a unilateral epiretinal membraneChoroidal vascularity index (CVI) and choroidal thickness were measured in Macular according to ETDRS grid (A) Showing steps (B1-4) using semi-automatic algorithms in MATLAB R2017a. T1, temporal parafovea; T2, temporal perifovea; C, center; N1, nasal parafovea; N2, nasal perifoveaBack to article page