Table 3 Summary of currently commercially available anterior segment optical coherence tomography (OCT)
From: Early diagnosis of keratoconus using corneal biomechanics and OCT derived technologies
Type | Instrument | Company | Approximate axial resolution (µm) | Scanning speed (A scans per second) |
|---|---|---|---|---|
Time-domain | Stratus OCT | Carl Zeiss Meditec | 10 | 400 |
Visante OCT | Carl Zeiss Meditec | 18 | 2000 | |
Slit-lamp OCT | Heidelberg | 25 | 200 | |
Spectral-domain | Spectralis OCT | Heidelberg | 7 | 40000 |
Cirrus HD-OCT | Carl Zeiss Meditec | 5 | 27000 | |
OCT SLO | Optos | 6 | 27000 | |
3D OCT-1 Maestro 2 | Topcon | 6 | 50000 | |
3D OCT-2000 | Topcon | 6 | 27000 | |
RTVue-100 | Optovue | 5 | 26000 | |
RTVue XR Avanti | Optovue | 5 | 70000 | |
iVue-100 and iFusion 80 | Optovue | 5 | 80000 | |
RS-3000 Advance2 | Nidek | 7 | 85000 | |
REVO | Optopol | 5 | 130000 | |
Envisu C-2300 | Leica | 3 | 32000 | |
MS-39 | CSO | 3.6 | 30000 | |
Swept-source | CASIA SS-1000 | Tomey | 10 | 30000 |
CASIA2 | Tomey | 30 | 50000 | |
DRI OCT Triton | Topcon | 8 | 100000 | |
ANTERION | Heidelberg | 10 | 50000 |