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Year : 2013  |  Volume : 61  |  Issue : 4  |  Page : 172-175

Assessment of metamorphopsia in patients with central serous chorioretinopathy

Department of Ophthalmology, School of Medicine, Chungbuk National University, Chungbuk, Cheongju, Korea

Correspondence Address:
Ju Byung Chae
Department of Ophthalmology, School of Medicine, Chungbuk National University, Chungbuk, Cheongju
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Source of Support: This work was supported by the research grant of the Chungbuk National University in 2011, Conflict of Interest: None

DOI: 10.4103/0301-4738.112162

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Background: To evaluate the presence and extent of metamorphopsia using M-CHARTS TM (Inami Co., Tokyo, Japan) in patients with central serous chorioretinopathy (CSC). Design: Retrospective consecutive medical record review in a university hospital. Materials and Methods: We examined 33 eyes of 33 consecutive CSC patients using M-CHARTS, which yields scores reflecting the severity of metamorphopsia. The condition was considered present when an M-CHARTS score was 0.3 or over. In all patients, optical coherence tomography (OCT) was performed, best-corrected visual acuity (BCVA) was assessed, and M-CHARTS scores were calculated at the first and the 1- and 3-month follow-up visits. The correlation between M-CHARTS scores and BCVA values was determined. We also sought to define relationships between the level of metamorphopsia and specific OCT findings. Results: Of 33 CSC patients, 15 showed symptoms of metamorphopsia, and all 15 had M-CHARTS scores of over 0.3. However, no correlation was evident between BCVA values and the extent of metamorphopsia as determined using M-CHARTS. In metamorphopsia patients, the incidence of focal retinal pigment epithelial detachment was notably greater than in the non-metamorphopsia group (P = 0.03). Conclusion: M-CHARTS is valuable for monitoring subjective symptom improvement during the clinical course of CSC. M-CHARTS serves as a useful adjunct to OCT.

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