Comparison of axial resolution, scan speed and imaging capabilities of the devices in this study
| Device | B-Scan | 3D-OCT number of scans | Axial resolution (μm) | Scanning speed (A-scans/s) | Imaging |
|---|---|---|---|---|---|
| Zeiss Stratus OCT III | Yes | N/A | 10 | 400 | Near-infrared |
| Reichert/Optopol SOCT Copernicus | Yes | 50 | 6 | 25 000 | Near-infrared |
| Heidelberg Spectralis HRA+OCT | Yes | 19 | 3.5* | 40 000 | Scanning laser ophthalmoscope Fluorescein angiography Indocyanine green angiography Autofluorescence |
| Topcon 3D-OCT 1000 | Yes | 128 | 6 | 18 000 | Near-infrared Color Fundus |
| Zeiss Cirrus HD-OCT | Yes | 128 | 5 | 27 000 | LSLO |
*The Heidelberg Spectralis HRA+OCT has an axial resolution of 7 µm, but the manufacturer claims that by using image compositing it can produce an ‘effective’ axial resolution of 3.5 µm.
3D, three-dimensional.