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Number of images taken from AREDS, SIMES, and RIM-ONE1. The table shows the various groups to which the images belong based on their graded cup/disc ratios.
| Category (manually graded for vertical cup/disc ratio) | AREDS | SIMES | RIM-ONE1 | Total |
|---|---|---|---|---|
| ≤0.5 | 462 | 253 | 342 | 1057 |
| Above 0.5 | 131 | 243 | 115 | 489 |
