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Takehiro Yamashita, Yuya Kii, Minoru Tanaka, Kumiko Nakao, Taiji Sakamoto; Retinal thickness with posterior pole analysis and its association with axial length and body height. Invest. Ophthalmol. Vis. Sci. 2013;54(15):3622.
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To investigate the relationship between axial length, body height and retinal thickness with posterior pole analysis of spectral domain optical coherence tomography (SD-OCT) in young Japanese healthy eyes.
Prospective observational cross-sectional study comprised 64 right eyes. All participants (mean age 26.0 ± 4.5) underwent comprehensive ophthalmologic examination, including axial length and posterior pole retinal imaging. Axial length was measured with the AL-2000 ultrasound device (TOMEY, Japan). Spectralis SD-OCT (Heidelberg Engineering, Germany), the posterior pole analysis provides retinal thickness of 64 cells within the central 24° area. The relationship between the retinal thickness of the 64 cells and the axial length or body height were investigated using linear regression analysis.
The mean axial length was 25.04 ± 1.30 mm and the mean body height was 167.2 ± 8.5 cm. Retinal thicknesses of central 4 cells around the fovea were not significantly associated with the axial length. Retinal thicknesses of almost other cells (54 cells) were significantly negatively associated with the axial length (r = -0.25 to -0.56, p < 0.05). In contrast, retinal thicknesses of central 7 cells around the fovea were significantly positively associated with the body height (r = 0.26 to 0.37, p < 0.05). Retinal thicknesses of almost other cells (57 cells) were not significantly associated with the body height.
The retinal thicknesses of most posterior pole cells were decreased as axial length increased. However, there was no effect of the axial length on the retinal thicknesses of the central 4 cells around the fovea. In contrast, inverted relationships were observed between the retinal thickness and the body height.
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