Table 1.

Intraclass correlation coefficients (95% confidence interval) of the vessel density and vessel length density measurements derived with the built-in software of the Optovue and Zeiss systems.

System	Vessel density				Vessel length density
	3 mm scan pattern		6 mm scan pattern		3 mm scan pattern		6 mm scan pattern
	SCP	DCP	SCP	DCP	SCP	DCP	SCP	DCP
Optovue	0.579 (0.429–0.698)	0.462 (0.289–0.606)	0.740 (0.634–0.819)	0.718 (0.605–0.802)	—	—	—	—
Zeiss	0.682 (0.559–0.776)	—	0.316 (0.124–0.485)	—	0.705 (0.588–0.793)	—	0.358 (0.171–0.521)	—

DCP: deep capillary plexus; SCP: superficial capillary plexus.