Comparison of Two Different OCT Systems: Retina Layer Segmentation and Impact on Structure-Function Analysis in Glaucoma

Table 1

Technical characteristics from Cirrus and Spectralis OCT and acquisition protocol details of each device.

	Cirrus™	Spectralis™
Axial resolution	5 µm	4 µm
Scan speed (scan/sec)	27.000	40.000
Scan pattern	512 × 128	512 × 49
Scan area	6 × 6 mm	6 × 6 mm
Acquisition time	2.5 sec	5.0 sec
Software version	6.5.0	6.0.3