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Naoko Kakiuchi, Takehiro Yamashita, Yuya Kii, Minoru Tanaka, Kumiko Nakao, Taiji Sakamoto; Symmetry between upper and lower sectorial retinal thickness with posterior pole analysis in young healthy eyes. Invest. Ophthalmol. Vis. Sci. 2014;55(13):4764.
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© ARVO (1962-2015); The Authors (2016-present)
To investigate the symmetry between upper and lower retinal thickness with posterior pole analysis (PPA) of spectral domain optical coherence tomography (SD-OCT) in young Japanese healthy eyes.
A prospective observational cross-sectional study comprised 64 right eyes. All participants (mean age 26.0 ± 4.5) underwent comprehensive ophthalmologic examination, including posterior pole retinal imaging. Spectralis SD-OCT (Heidelberg Engineering, Germany), the PPA provides retinal thickness of 64 (8 x 8) cells within the central 24° area and the data derived from the cell to cell comparison between corresponding cells across the fovea-disc axis. The relationships between retinal thicknesses of the corresponding cells were investigated using linear regression analysis.
The mean absolute values of deference between the retinal thicknesses of corresponding cells were 3.1 to 23.2 µm. The retinal thicknesses of all upper cells were significantly associated with the corresponding lower cells (r = 0.45 to 0.97, p < 0.001). The correlation coefficients of the pairs of central cells were higher than that of the pairs of peripheral cells.
The symmetry between upper and lower retinal thicknesses with the PPA cells were high, especially in central area.
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