TABLE 1.

Participant characteristics.

Participant ID	Age (years)	Sex	Diabetes duration (years)	Snellen visual acuity, worse eye	Diabetic retinopathy grading, worse eye
1	30	Male	1	6/6	None
2	33	Male	1	6/6	None
3	36	Male	2	6/6	None
4	38	Male	1	6/6	None
5	43	Male	1	6/6	None
6	44	Male	1	6/7.5	None
7	45	Female	<1	6/6	None
8	46	Female	7	6/6	None
9	46	Female	<1	6/6	None
10	48	Male	18	6/6	Moderate
11	48	Male	16	6/6	None
12	52	Female	13	6/6	Mild
13	53	Male	1	6/6	None
14	54	Female	1	6/6	None
15	55	Male	<1	6/6	None
16	56	Male	25	6/6	None
17	57	Male	6	6/6	Moderate
18	62	Female	5	6/6	None
19	62	Male	20	6/6	None
20	66	Female	1	6/6	None
21	67	Male	1	6/6	None
22	69	Female	12	6/6	Moderate
23	69	Male	3	6/7.5	None
24	70	Female	20	6/12	Moderate