Clinical Science
Optical Coherence Tomography Angiography Findings in Chronic Central Serous Chorioretinopathy After Photodynamic Therapy
Abstract
BACKGROUND AND OBJECTIVES:
To report the acute and long-term choroidal findings in patients with chronic central serous chorioretinopathy (CCSC) undergoing half-fluence photodynamic therapy (PDT).
PATIENTS AND METHODS:
This is a prospective, consecutive, interventional, noncomparative case series at a tertiary referral vitreoretinal practice. Twenty-one eyes from 21 patients are included.
RESULTS:
Among 21 eyes, all had improved vision following PDT during a mean of 5.2 months ± 4.8 months of follow-up. The incidence of choroidal neovascular membranes was 19.0% (four in 21), with only one of these eyes (4.8%) requiring intravitreal anti-vascular endothelial growth factor injections. Changes in the choriocapillaris were noted in 28.6% (six of 21) eyes following PDT. Eighteen patients (85.7%) demonstrated striking regions of dilated choroidal vessels closely corresponding to regions of outer retinal changes and subretinal fluid. Twenty patients (95.2%) experienced resolution of subretinal fluid within 3 months of receiving PDT.
CONCLUSION:
Optical coherence tomography angiography may provide new insight into the pathogenesis of CCSC, namely in identifying a correlation between structures of the deep choroid and changes in the retinal pigment epithelium and neurosensory retina.
[Ophthalmic Surg Lasers Imaging Retina. 2019;50:25–32.]
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