CIRRUS HD-OCT User Manual 2660021169012 Rev. A 2017-12HD-OCT Imaging 13-113 SpecificationsHD-OCT ImagingHD-OCT Imaging for Posterior Segment ScansHD-OCT Imaging for Anterior Segment ScansModel 500 Model 5000Methodology Spectral domain OCTOptical source Superluminescent diode (SLD), 840 nmOptical power Nominal 600+/–60 μW at corneaSafety shutoff: maximum 825 μW at corneaMaximum Scan speed 68k A-scans/secModel 500 Model 5000A-scan depth 2.0 mm (in tissue), 1024 pointsAxial resolution 5 μm (in tissue)Transverse resolution 15 μm (in tissue)Model 500 and Model 5000Anterior SegmentCube 512x128Anterior Segment 5Line RasterAnterior Chamber HD Angle Scan HD Cornea/Pachymetry ScanWide Angle-to-AngleA-scan depth 2.0 mm (in tissue)1024 points2.0 mm (in tissue)1024 points5.8 mm (in tissue),2048 points2.9 mm (in tissue),1024 points2.0 mm (in tissue),1024 points2.9 mm (in tissue),1024 pointsAxial resolution 5 μm (in tissue)Transverse resolution <20 μm <20 μm <45 μm <20 μm <25 μm <45 μm
