Fig. 6

Surgical case 3. Images showing a a representative image of a GRT-associated RRD extension of > 180°. The patient underwent uneventful gas vitrectomy. b Postoperative image showing an irregular foveal profile with identifiable inner and outer biomarkers and no residual subfoveal fluid. c Postoperative 13-month binarized image with perfusion indices lower than those of the fellow eye. d The magnified image from the yellow inset depicts the red dotted line that clearly delineates the selected subfoveal area. The CVI was 57.94%, which was lower than that of the normal fellow eye. e Image depicting an abnormal postoperative CFA area of 1.682 mm². This modified figure was adapted from [31] and used under Creative Commons Attribution 4.0, International License (https://creativecommons.org/licenses/by/4.0/)