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Year : 2016  |  Volume : 28  |  Issue : 2  |  Page : 125-130

Half-fluence photodynamic therapy in chronic central serous chorioretinopathy

Department of Vitreo-Retina, Giridhar Eye Institute, Ponneth Temple Road, Kadavanthara, Kochi, Kerala, India

Correspondence Address:
Anubhav Goyal
Department of Vitreo-Retina, Giridhar Eye Institute, Ponneth Temple Road, Kadavanthra, Kochi - 682 020, Kerala
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/kjo.kjo_6_17

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Purpose: The aim of this study is to investigate the effect of half-fluence photodynamic therapy (PDT) in chronic central serous chorioretinopathy (CSC). Materials and Methods: Forty-two eyes of 34 patients with chronic CSC and symptoms for at least 6 months were retrospectively reviewed. All eyes were treated with indocyanine green (ICG)-guided half-fluence PDT. The primary outcome measure was the proportion of eyes with complete resolution of subretinal fluid (SRF) on spectral domain-optical coherence tomography (SD-OCT). The secondary outcome measure was change in best corrected visual acuity (BCVA). SPSS v. 16 software was used for statistical analysis. Results: The mean follow-up period was 12.5 ± 4.3 months. Twenty six (78.78%) eyes showed complete resolution of SRF (P < 0.01). BCVA increased by a mean of 0.43 to 0.42 log MAR (P < 0.31) at 12-month follow-up. Serous macular detachment height reduced from a mean of 166 μ to 40 μ (P < 0.01), and BCVA improvement of ≥ 1 line was seen in 16 eyes at 12 month follow-up visit. Ellipsoid line improvement was seen in 12 (36.36%) eyes compared to 5 (15.15%) eyes at the baseline visit (P = 0.01). Eyes with SD-OCT features of idiopathic serous-pigment epithelial detachment showed improvement of 0.12 logMAR in BCVA, as compared to irregular retinal pigment epithelium (0.01 logMAR) in 12 months duration. Conclusion: Half-fluence PDT is an effective and safe method in the treatment of chronic CSC with stabilization or improvement of anatomical and functional outcomes.

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