Table 1.

Contrast increment protocols

Contrast increment protocol	Initial FE contrast	Daily increment, weeks 0–4	4-week contrast (%), mean ± SD	No. at 100% contrast	Daily increment, weeks 4–8	8-week contrast (%), mean ± SD	No. at 100% contrast
10%	20%	10%	89 ± 21	12 (71%)	Continue 10%	95 ± 19	16 (94%)
5%	20%	5%	42 ± 17	0 (0%)	Continue 5%	73 ± 33	9 (56%)
0%	20%	0%	20 ± 0	0 (0%)	Continue 0%	20 ± 0	0 (0%)
10% + reset	20%	10%	78 ± 26	8 (50%)	Reset FE to 20%, continue 10%	80 ± 31	11 (65%)

FE, fellow eye; SD, standard deviation.