Table 1

The sample size of normal fundus and 12 fundus diseases in the five datasets

LabelDevelopment setTest sets
Training set
N=46 501
Validation set
N=10 237
Intern test set
N=3 579
External test set A
N=1 245
External test set B
N=3 352
Normal fundus19146 (41.2)4315 (9.3)1053 (29.4)441 (12.3)1804 (50.4)
Retinal vein occlusion3528 (7.6)967 (2.1)531 (14.8)54 (1.5)123 (3.4)
Referable diabetic retinopathy2701 (5.8)642 (1.4)285 (8.0)292 (8.2)388 (10.8)
Pathological myopic retinal degeneration8243 (17.7)989 (2.1)192 (5.4)84 (2.3)113 (3.2)
Retinitis pigmentosa587 (1.3)137 (0.3)130 (3.6)62 (1.7)38 (1.1)
Retinal detachment315 (0.7)88 (0.2)110 (3.1)5 (0.1)14 (0.4)
Epiretinal membrane2403 (5.2)544 (1.2)268 (7.5)36 (1.0)165 (4.6)
Dry age-related macular degeneration2669 (5.7)808 (1.7)267 (7.5)86 (2.4)404 (11.3)
Wet age-related macular degeneration1564 (3.4)433 (0.9)146 (4.1)67 (1.9)75 (2.1)
Macular hole266 (0.6)59 (0.1)137 (3.8)1 (0.0)14 (0.4)
Possible glaucomatous optic neuropathy3648 (7.8)544 (1.2)270 (7.5)79 (2.2)227 (6.3)
Papilledema2882 (6.2)682 (1.5)228 (6.4)78 (2.2)82 (2.3)
Optic nerve atrophy1459 (3.1)462 (1.0)202 (5.6)23 (0.6)150 (4.2)
  • The results are presented with: number (%).