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COMPARISON OF CHOROIDAL THICKNESS AMONG PATIENTS WITH HEALTHY EYES, EARLY AGE-RELATED MACULOPATHY, NEOVASCULAR AGE-RELATED MACULAR DEGENERATION, CENTRAL SEROUS CHORIORETINOPATHY, AND POLYPOIDAL CHOROIDAL VASCULOPATHY

Kim, Seong-Woo MD, PhD*; Oh, Jaeryung MD, PhD*; Kwon, Soon-Sun PhD; Yoo, Junho MD*; Huh, Kuhl MD, PhD*

doi: 10.1097/IAE.0b013e31821801c5
Original Study
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Purpose: To compare choroidal thicknesses among eyes with early age-related maculopathy (ARM), neovascular age-related macular degeneration, polypoidal choroidal vasculopathy, and central serous chorioretinopathy.

Methods: Patients with age-related maculopathy (37 eyes), neovascular age-related macular degeneration (24 eyes), polypoidal choroidal vasculopathy (12 eyes), and central serous chorioretinopathy (31 eyes) underwent spectral-domain optical coherence tomography evaluations using a choroid scanning protocol. A horizontal linear section comprising 50 averaged scans was obtained of each macula. The choroidal thickness was measured from the outer border of the retinal pigment epithelium to the inner scleral border. Twenty-nine subjects with healthy eyes served as a control group. Analysis of covariance tests were performed to evaluate the effects of various diagnoses on choroidal thickness after removal of variance (covariates = gender, age, and refractive error).

Results: Among the different covariates, age was associated with choroidal thickness (fovea: F = 12.067, P = 0.001). After controlling for age differences, the choroid was thicker in polypoidal choroidal vasculopathy (319.92 ± 68.66 μm) and central serous chorioretinopathy (367.81 ± 105.56 μm) patients than in controls (241.97 ± 66.37 μm) and age-related maculopathy patients (186.62 ± 64.02 μm). However, there were no significant differences in mean choroidal thickness between neovascular age-related macular degeneration (226.46 ± 102.87 μm) and any of the other diagnoses.

Conclusion: The choroid was thicker in eyes with polypoidal choroidal vasculopathy or central serous chorioretinopathy than in control or age-related maculopathy groups.

Choroidal thickness varies among different macular diseases.

From the Departments of *Ophthalmology and †Biostatistics, Korea University College of Medicine, Seoul, Korea.

Supported by a grant from the Korean Health Technology R&D Project, Ministry for Health, Welfare & Family Affairs, Republic of Korea (A102024).

The authors have no financial interest or conflicts of interest.

Reprint requests: Jaeryung Oh, MD, PhD, Department of Ophthalmology, Korea University College of Medicine, 126-1 Anam-dong 5-ga, Sungbuk-gu, Seoul 136-705, Korea; e-mail: ojr4991@yahoo.co.kr

© The Ophthalmic Communications Society, Inc.