From: Optical coherence tomography angiography using the black-and-white pixel binarization histogram software: a new technique for evaluating healing of macular holes in two surgical techniques
Peeling (N = 5)
Free flap (N = 5)
P value*
Preoperative VA
0.7 ± 0.1
1.0 ± 0.3
0.073
Postoperative VA
0.3 ± 0.2
0.9 ± 0.4
0.002
Postoperative–preoperative VA
−0.4 ± 0.2
−0.1 ± 0.5
0.162