Table 1

Number of images in the training and validation set and in the test set, and the corresponding source datasets

Source dataset	Training and validation set				Test set
Source dataset	Normal	DR	Glaucoma	AMD	Normal	DR	Glaucoma	AMD
DiaretDB14	0	89	0	0	0	0	0	0
Drishti-GS15	31	0	68	0	0	0	2	0
DRIVE16	33	7	0	0	0	0	0	0
HRF17	15	15	13	0	0	0	2	0
IDRiD18	167	348	0	0	1	0	0	0
Kaggle-398	38	105	0	0	0	1	0	0
Kaggle-DR19	25 769	9278	0	0	21	20	0	0
ODIR20	2276	1187	189	182	2	1	7	18
MESSIDOR21	546	651	0	0	0	3	0	0
ORIGA-light22	482	0	158	0	0	0	10	0
REFUGE23	1079	0	116	0	1	0	4	0
STARE24	39	134	0	40	0	0	0	7
Total	30 475	11 814	544	222	25	25	25	25

AMD, age-related macular degeneration; DR, diabetic retinopathy.