Table 1

Summary of datasets

Datasets	No (detection)					No (segmentation and grading)
Datasets	Images	Subjects	Pterygium	Normal	Others	Images	Grade I	Grade II	Grade III
Primary datasets
SLD	20 987	11 881	8845	2046	10 096	2276	1350	184	742
SPB	1094	509	563	105	426	366	136	41	189
Training
SLD	14 691	8316	5684	1357	7650	1693	1093	124	476
SPB	765	355	381	75	309	118	53	8	57
Total, training	15 456	8671	6065	1432	7959	1811	1146	132	533
Validation
SLD	2938	1663	1136	254	1548	338	218	25	95
SPB	142	71	65	15	62	24	11	2	11
Total, validation	3080	1734	1201	269	1610	362	229	27	106
Test
SLD	6296	3565	3161	689	2446	583	257	60	266
SPB	329	154	182	30	117	248	83	33	132
Total, test	6625	3719	3343	719	2563	831	340	93	398
Comparison test
SLD	N/A	N/A	N/A	N/A	N/A	104	64	7	33
SPB	N/A	N/A	N/A	N/A	N/A	104	64	7	33

Information cannot be obtained are marked as ‘N/A’.
N/A, not available; SLD, slit-lamp image dataset; SPB, smartphone-based dataset.