Ultrasound B-scan versus anterior segment optical coherence tomography: image resolution comparison
| Categories N=126 | Better with USB number (%) | Better with AS-OCT number (%) | No difference number (%) |
|---|---|---|---|
| Overall tumour visualisation | 45 (35.7) | 43 (34.1) | 38 (30.2) |
| Anterior surface | 4 (3.2) | 62 (49.2) | 60 (47.6) |
| Posterior surface | 70 (55.6) | 32 (25.4) | 24 (19) |
| Lateral surface | 31 (24.6) | 62 (49.2) | 33 (26.2) |
| Internal structures | 38 (30.2) | 55 (43.7) | 33 (26.2) |
| Pigmented lesion (N=85) | 32 (37.6) | 26 (30.6) | 27 (31.8) |
| Non-pigmented lesion (N=41) | 19 (46.4) | 11 (26.8) | 11 (26.8) |
| Location of lesion | 46 (36.5) | 38 (30.2) | 42 (33.3) |
AS-OCT, anterior segment optical coherence tomography; USB, ultrasound B-scan.