J Korean Ophthalmol Soc > Volume 55(9); 2014 > Article
Journal of the Korean Ophthalmological Society 2014;55(9):1334-1339.
DOI: https://doi.org/10.3341/jkos.2014.55.9.1334    Published online September 15, 2014.
Comparison of Retinal Nerve Fiber Layers in Patients with Non-Neovascular Age-Related Macular Degeneration and Normal Controls.
Jae Young Kim, Hyewon Chung, Hyung Chan Kim
Department of Ophthalmology, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea. eyekim@kuh.ac.kr
비삼출성 나이관련황반변성 환자와 정상인의 망막신경섬유층 두께 비교
김재영⋅정혜원⋅김형찬
Department of Ophthalmology, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
Abstract
PURPOSE
In neovascular age-related macular degeneration (AMD), it is reported that retinal nerve fiber layer (RNFL) thickness becomes gradually thinner due to degeneration of the outer retinal layer. To our knowledge, there is no previous report regarding RNFL thickness in patients with non-neovascular AMD. Therefore, in this study, we compared RNFL thickness in patients with non-neovascular AMD and normal controls. METHODS: Thirty-one eyes with AMD category 3a (AREDS research group), 11 eyes suffering foveal geographic atrophy AMD category 4a, and 31 age-matched normal eyes were evaluated. In every group, regional RNFL thickness (General, Temporal, Superotemporal, Superonasal, Superior, Nasal, Inferonasal, Inferotemporal, and Inferior) was measured using spectral domain optical coherence tomography (SD-OCT). RESULTS: There were no significant differences in age or intraocular pressure among the 3 groups. The mean best corrected visual acuity (BCVA) (log MAR) of the category 4a group was significantly decreased compared to those of the other 2 groups. The mean RNFL thickness in total area in the category 3a group, category 4a group, and normal control group was 99.5 +/- 14.0 microm, 99.3 +/- 9.4 microm, and 99.4 +/- 9.6 microm, respectively. The difference was not statistically significant. No other regional mean values of RNFL thickness in the three groups were significantly different. CONCLUSIONS: There was no significant difference in RNFL thickness between non-neovascular patients and the control group.
Key Words: Non-neovascular age-related macular degeneration;Retinal nerve fiber layer thickness;Spectral domain optical coherence tomography


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