Table 2. OCT angiography scan protocols.

Parameter			Value
Pixels per B-scan			1536
B-scan repeats (B-scans per MB-scan)			5
Number of MB-scans (slow scanner positions)			180
Total number of B-scans			900
Number of A-scans per B-scan			300
Number of scanner fly-back A-scans (not acquired)			100
A-scan acquisition time			10 µs
B-scan acquisition time (time interval for OCTA data analysis)			4 ms
Volume acquisition time			3.6 s
Data size			~830 MB
Subject code	N1	N2	N3	GA
Scanned retinal eccentricity	6° nasal, 4°inferior	8° nasal, 4°inferior	8° nasal, 4°inferior	3° nasal, 3°inferior
Scanned area	1.8 x 1.8 mm	1.8 x 1.3 mm	1.8 x 1.3 mm	1.6 x 1.6 mm
Horizontal step size	6 µm	6 µm	6 µm	5 µm
Vertical step size	10 µm	7 µm	7 µm	9 µm