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KMID : 0360220080490040601
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Journal of the Korean Ophthalmological Society
2008 Volume.49 No. 4 p.601 ~ p.610
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Macular Thickness in Healthy Korean Eyes Using OCT3 Comparing with Normative Data
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Yoon Sang-Chul
Lee Dae-Yeong
Nam Dong-Heun
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Abstract
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Purpose: To determine whether there are significant differences between the retinal thicknesses of the macular area in eyes of healthy Koreans compared with normative data using OCT3 (version 4.0).
Methods: The study was performed in 111 eyes of 71 adults between the ages of 20 and 69 with corrected vision of 0.8 or greater and no systemic or ocular disease. The subject group was designed to have a similar age distribution to that of normative data. An OCT3 fast macular map was used to measure macular thickness. The results were further analyzed and compared with the normative data.
Results: The overall results from the subject group were similar to the normative data. However, the nasal parts of the outer ring were thicker than the normative data and the temporal parts of the outer ring were thinner (p<.0001). When each age group was compared, the thickness of the superior part of the inner ring and the nasal part of the inner and outer rings were thicker than the normative data in the age groups of twenties and thirties (p<.05). For the nasal parts of outer ring, the macula were thicker by OCT examination than the normative data in 25.2% of subjects, although they were clinically normal.
Conclusions: Macular thickness in healthy Koreans was generally similar to the normative data of OCT3. However, a slight difference may exist and must be considered when measuring and interpreting macular thickness measurements.
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KEYWORD
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Macular thickness, Normative data, Optical coherence tomography
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