Table 2 Cup to disc vertical ratio.

No	Proposed method	HRT	Ophthalmologist
1	0.59	0.58	0.54
2	0.49	0.66	0.72
3	0.65	0.63	0.66
4	0.56	0.61	0.67
5	0.64	0.45	0.52
6	0.66	0.46	0.69
7	0.82	0.94	0.85
8	0.70	0.21	0.76
9	0.68	0.82	0.78
10	0.73	0.79	0.77
11	0.59	0.41	0.48
12	0.47	0.37	0.52
13	0.45	0.27	0.44
14	0.43	0.46	0.52
15	0.70	0.47	0.65
16	0.61	0.69	0.70
17	0.78	0.88	0.82
18	0.70	0.86	0.65
19	0.61	0.76	0.72
20	0.71	0.78	0.76
21	0.58	0.60	0.68
22	0.66	0.58	0.62
23	0.62	0.58	0.72
24	0.67	0.56	0.68
25	0.62	0.57	0.71
Corr	0.71	0.67	–

Corr, correlation.