Table 2:
Enhanced-depth Imaging Spectral-domain Optical Coherence Tomography Features of Ultrasonographically Flat Choroidal Lesions
| Features | Number |
|---|---|
| Mean choroidal lesion thickness | 336.4 microns (n = 88 measurable) |
| EDI SD-OCT Pattern (no OCT available in 8/102 lesions) | |
| Type 0 = Not visible | 3/94 (3.2%) |
| Type 1 = Hyperreflective but confined within normal choroidal thickness | 35/94 (37.2%) |
| Type 2 = Discrete (waterfall appearance at lesion edges) | 15/94 (16.0%) |
| Type 3 = Posteriorly bowed | 14/94 (14.9%) |
| Type 4 = Elevated | 27/94 (28.7%) |
| Posterior Shadowing (not available/not possible in 10/102) | |
| Yes | 66/92 (71.7%) |
| No | 26/92 (28.3%) |
| Drusen | |
| Yes | 29/94 (30.9%) |
| No | 65/94 (69.1%) |