J Korean Ophthalmol Soc.  2016 May;57(5):763-771. 10.3341/jkos.2016.57.5.763.

Outer Retinal Layers Alterations in Chronic Central Serous Chorioretinopathy: Spectral Domain-OCT and Fundus Autofluorescence Findings

Affiliations
  • 1Department of Ophthalmology, Daegu Fatima Hospital, Daegu, Korea. mjmom99@naver.com

Abstract

PURPOSE
To document alteration of the outer retinal layers and fundus autofluorescence (FAF) change in eyes with chronic central serous chorioretinopathy (CSCR).
METHODS
Seventeen eyes of fifteen patients diagnosed with chronic CSCR from January 2014 to March 2015 with at least 6 months of follow-up and no history of surgery were enrolled in this study. Morphologic alterations in the retinal pigment epithelium (RPE), the photoreceptor inner segment/outer segment (IS/OS) junction layer, and the outer retina were evaluated by Spectral domain optical coherence tomography (SD-OCT). The FAF images were obtained via Heidelberg Retina Angiogram using a view mode of 30° and were described using distribution patterns of retinal autofluorescence compared to background autofluorescence. After tomographic alignment of the FAF intensities with the OCT findings, we analyzed and assessed the alteration of the outer retinal layers and the characteristics of retinal autofluorescence.
RESULTS
RPE detachment lesions in SD-OCT showed little or no change in autofluorescence pattern. Five of seven eyes with RPE humps in SD-OCT showed hyper-fluorescence in FAF. All of the eyes with defects or changes of the reflective line representing the IS/OS junction in SD-OCT correlated with hyper-fluorescence in FAF. Seven of nine eyes with persistent subretinal detachment (SRD) showed specific ring-shaped hyper-fluorescence in FAF matching up with the border of the SRD, and five eyes with photoreceptor OS elongation within SRD showed a granular type of hyper-fluorescence within the ring-shaped hyper-fluorescence in FAF.
CONCLUSIONS
In chronic CSCR, we found that RPE humps, the lesion IS/OS junction defect, the border of SRD, photoreceptor OS elongation in SD-OCT correlate with hyper-fluorescence lesions in FAF. The areas of the autofluorescence changes in the FAF images are associated with the extent of change in the RPE and outer retina.

Keyword

Chronic central serous chorioretinopathy; Fundus autofluorescence; Optical coherence tomography; Outer retinal layers alterations
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