Table 2.

Frequencies of clinical and utility characteristics

Characteristic	No (n=186)
Vision in affected eye
6/9 to 6/15	72 (32.6%)
6/18 to 6/30	67 (30.3%)
6/60 to 6/120	39 (17.6%)
CF to NLP	43 (19.5%)
Vision in unaffected eye
6/7.5 or better	68 (30.8%)
6/9 to 6/15	99 (44.8%)
6/18 to 6/30	33 (14.9%)
6/60 to 6/120	18 (8.1%)
CF to NLP	3 (1.4%)
Duration of visual loss
0 to1 year	49 (22.2%)
1.01 to 5 years	100 (45.2%)
5.01 to 10 years	40 (18.1%)
More than 10 years	32 (14.5%)
Years expected to live
0 to 5 years	48 (21.7%)
5.01 to 10 years	60 (27.1%)
10.01 to 20 years	64 (29.0%)
More than 20 years	49 (22.2%)
Comorbid diseases (no)
0	57 (25.8%)
1	74 (33.5%)
2	54 (24.4%)
3 or more	36 (16.3%)