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Aims: To evaluate the posterior segment structures and choroidal vascularity of the eye in patients with retinal vein occlusion (RVO) using enhanced depth imaging optical coherence tomography (Edi-OCT). Methods: Twenty-nine treatment-naïve patients with RVO (17 males, 12 females) were examined by EDI-OCT. Subfoveal choroid tickness and choroidal vascularity index (CVI) were used to compare the structural characteristics of the choroid with the eyes of twenty-nine age, and gender-matched controls. EDI-OCT images were binarised using ImageJ program. Results: Best corrected visual acuity was significantly lower in the affected eyes compared to control group (p=0.05). Conclusion: RVO causes significant edema in the choroid stromal area without any change in the choroid lumen area. This structural changes in the choroid evaluated by EDI-OCT, a non-invasive examination, may be used in the diagnosis and follow-up of RVO.
Dursun et al. (Fri,) studied this question.
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