From: Grading of macular perfusion in retinal vein occlusion using en-face swept-source optical coherence tomography angiography: a retrospective observational case series
DCPQ
Total
Q0
Q1
Q2
Q3
Q4
.00
FFA (Ischemia)
1.00 (Present)
1.4%
4.1%
24.3%
12.2%
20.3%
62.2%
2.00 (Absent)
10.8%
9.5%
37.8%
2.7%
8.1%
35.1%
29.7%
100.0%