Table 2.

Visual acuity in patients with central serous chorioretinopathy before and after half-dose photodynamic therapy

Case	Pretreatment	After treatment				Period of stable fixation*
		1 month	3 months	6 months	12 months
1	0.9	1.0	1.2	1.5	1.5	Pre
2	0.7	0.6	0.6	0.8	0.7	Pre
3	1.0	1.0	1.5	1.5	1.5	Pre
4	1.5	1.2	1.5	1.5	1.5	Pre
5	0.7	0.7	0.8	1.0	1.0	Pre
6	0.15	0.1	0.15	0.2	0.2	1 month
7	0.7	1.0	1.0	1.5	1.5	Pre
8	1.2	1.2	1.5	1.5	1.5	Pre
9	0.5	0.7	0.8	0.9	0.9	Pre
10	0.2	0.3	0.4	0.4	0.7	1 month
11	0.5	0.5	0.4	0.5	0.4	12 months
12	0.7	0.7	0.9	0.9	0.9	Pre
13	0.9	0.9	1.0	1.0	1.5	Pre
14	0.9	0.7	1.0	1.5	1.2	Pre
Geomean**	0.649	0.657	0.785	0.917	0.942

Notes:

^*The point when stable fixation was observed. ‘pre’ means the stable fixation was first observed already at pre-PDT.

Abbreviations: geomean, geometric mean; PDT, photodynamic therapy.