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Original Articles

Comparison of Enhanced Depth Imaging and Swept Source Optical Coherence Tomography in Assessment of Choroidal Thickness in Vogt–Koyanagi–Harada Disease

, FRCOphth, , MBBS & , FRCS
Pages 528-532 | Received 29 Jul 2015, Accepted 04 Feb 2016, Published online: 12 Apr 2016
 

ABSTRACT

Purpose: To compare enhanced depth imaging (EDI-OCT) and swept source optical coherence tomography (SS-OCT) in assessment of Vogt–Koyanagi–Harada (VKH) disease.

Methods: All consecutive VKH patients seen at Singapore National Eye Centre during 2012–2013 were imaged using both modalities. Subfoveal choroidal thickness (SFCT) was measured by one masked trained observer.

Results: A total of 137 pairs of scans were obtained from 48 patients. SFCT was more likely to be measurable on SS-OCT than EDI-OCT (112, 81.8%; 84, 61.3%; p<0.001 Fisher’s Exact test). There was good inter-OCT correlation of SFCT when both scans were measureable (mean of the difference in SFCT ± 2 standard deviations (SD) of –14.5 ± 21.0 μm).

Conclusions: SS-OCT images are superior to EDI-OCT but the SFCT measurements are comparable when both are readable.

DECLARATION OF INTEREST

The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.

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