The Safe Effective Light Dose of Photodynamic Therapy for Chronic Central Serous Chorioretinopathy

The Safe Effective Light Dose of Photodynamic Therapy for Chronic Central Serous Chorioretinopathy

To find the safe effective lowest light dose for photodynamic therapy (PDT). in the treatment of central serous chorioretinopathy.

Inclusion Criteria:

1. Idiopathic detachment of the neurosensory retina with a focal leak at the level of the RPE with FA
2. Presence of SRF and/or serous pigment epithelial detachment on optical coherence tomography (OCT)
3. Presence of abnormal dilated choroidal vasculature in ICGA
4. Patients with symptomatic CSC of at least 3 months duration

Exclusion Criteria:

1. Patients who received any previous treatment, including PDT or focal thermal laser photocoagulation for CSC, or who had evidence of CNV, PCV, or other maculopathy on clinical examination, FA, or ICGA
2. Patients receiving exogenous corticosteroid treatment
3. Patients with systemic diseases such as Cushing's disease or renal diseases
4. Pregnant patients