Table 1.
Prevalence of lesions (n = 170, 339 eyes)*
| Region and lesion | Prevalence |
|---|---|
| Optic disc | |
| Suspicious cupping‡ | 27.1% (92) |
| Staphyloma | 5.9% (20) |
| Posterior pole/macula | |
| Drusen | 18.9% (64) |
| RPE changes§ | 11.8% (40) |
| Hemorrhage | 2.4% (8) |
| Scar | 0.88% (3) |
| Choroidal nevus | 4.72% (16) |
| Mid-to-peripheral retina | |
| Drusen | 14.5% (49) |
| Peripheral retinal degeneration|| | 45.1% (153) |
| Hemorrhage | 5.9% (20) |
| Scar | 3.8% (13) |
| Choroidal nevus | 5.9% (20) |
| Cobblestone | 6.19% (21) |
| Retinal hole or tear | 4.4% (15) |
| Vitreoretinal interface abnormality | 37.8% (128) |
| Vitreous | 28.6% (97) |
Notes:
*
One subject missing OS data;
‡
defined as 0.50 or greater cup to disc ratio, 0.20 or greater asymmetry between OD and OS, and or notching;
§
retinal pigment epithelial (RPE) changes including RPE hypertrophy, RPE hyperplasia and RPE hypoplasia;
||
including RPE hypertrophy, RPE hyperplasia, RPE hypoplasia, lattice, snail tracking, cystoid degeneration, and other peripheral degenerations (pigmented or nonpigmented of size 25 pixels or greater);
*
numerators indicate the number of observations of lesions present as determined by both methods or in the case of disagreement, by adjudication.