Table 3 Summary of AS-OCT devices.
From: Evaluation of different OCT systems in quantitative imaging of human Schlemm's canal
OCT device | CIRRUS | PLEX* | CASIA |
|---|---|---|---|
Central wavelength (nm) | 840 | 1060 | 1310 |
Imaging speed (A-scans/s) | 27,000 | 100,000 | 30,000 |
Axial resolution in tissue (µm) | 5 | 6.3 | 10 |
Digital pixel number | 1213 | 1536 | 900 |
Image depth (mm) | 2 | 3 | 6 |
Lateral resolution in air† (µm) | 20 | 21 | 30 |
Scan area (mm × mm) | 4 × 4 | 4 × 4 | 8 × 4 |
Sampling density (fast axis) | 512 | 300 (× 4) | 512 |
Sampling interval (fast axis) (µm) | 7.8 | 13.3 | 15.6 |
Sampling density (slow axis) | 128 | 300 | 64 |
Sampling interval (slow axis) (µm) | 31.3 | 13.3 | 62.5 |