Table 1.
Summary of characteristics of commercially available AS-OCT machines
| Instrument | Company | Measurement type | Approximate axial resolution | Scanning speed per minute |
|---|---|---|---|---|
| Stratus OCT | Carl Zeiss Meditec | Time-domain | 10 μm | 400 A scans |
| Visante OCT | Carl Zeiss Meditec | Time-domain | 18 μm | 2000 A scans |
| Slit-lamp OCT | Heidelberg | Time-domain | 25 μm | 2000 A scans |
| Spectralis OCT | Heidelberg | Spectral-domain | 4–7 μm | 40,000 A scans |
| Cirrus OCT | Carl Zeiss Meditec | Spectral-domain | 5 μm | 27,000 A scans |
| OCT SLO | Optos | Spectral-domain | < 6 μm | 27,000 A scans |
| 3D OCT 2000 | Topcon | Spectral-domain | 5–6 μm | 50,000 A scans |
| RT Vue and iVue | Optovue | Spectral-domain | 5 μm | 26,000 A scans |
| Avanti | Optovue | Spectral-domain | ~ 5 μm | 70,000 A scans |
| SS-1000 CASIA | Tomey | Spectral-domain (swept source) | 10 μm | 30,000 A scans |
| Ultra high resolution OCT | Custom build device | Spectral-domain | ~ 3 μm | 24,000 to 26,000 A scans |