TABLE 3.

The top 20 keywords and associated strength data.

Rank	Keyword	Occurrence	Link strength	Rank	Keyword	Occurrence	Link strength
1	Optical coherence tomography	110	356	11	Diabetic-retinopathy	35	108
2	Diabetic macular edema	94	329	12	Automated detection	32	138
3	Deep learning	87	337	13	Images	32	106
4	Macular edema	75	226	14	Artificial intelligence	30	136
5	Diabetic retinopathy	62	225	15	Ranibizumab	30	86
6	Degeneration	57	208	16	Retina	28	120
7	Classification	52	196	17	Prevalence	26	85
8	Segmentation	50	182	18	Fluid	25	86
9	Retinopathy	48	212	19	Diseases	24	113
10	Validation	37	156	20	Machine learning	24	96