Choroidal hemodynamics in central serous chorioretinopathy after half-dose photodynamic therapy and the effects of smoking oleh Etsuyo Horiguchi, Jun Takeuchi, Ryo Tomita, Keiko Asai, Yuyako Nakano, Hikaru Ota, Yosuke Taki, Yasuki Ito, Hiroko Terasaki, Koji M. Nishiguchi, Keiko Kataoka