Long-term visual acuity changes following half-dose photodynamic therapy in eyes with chronic central serous chorioretinopathy.

<p>Baseline best-corrected visual acuity (BCVA) significantly improved after 3, 6, 12, 24, and 36 months in the successful group and at 24 and 36 months in the unsuccessful group. All values are presented as mean ± standard error of the mean. *<i>P</i> < 0.05.