Low-fluence photodynamic therapy in longstanding chronic central serous chorioretinopathy with foveal and gravitational atrophy.

PURPOSE: To describe anatomic and functional outcomes in two patients with long-standing severe chronic central serous chorioretinopathy (CSC) with foveal and gravitational atrophy treated with low-fluence photodynamic therapy (PDT). METHODS: Two patients with a history of over 10 years of chronic CSC and development of gravitational tracts, with best-corrected visual acuity