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H. Basmak, A. Sahin, H. Golemez, L. Niyaz, N. Yildirim; Relationship Between Optic Disc Parameters, Axial Length and Refraction in Healthy Schoolchildren. Invest. Ophthalmol. Vis. Sci. 2008;49(13):1448. doi: https://doi.org/.
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© ARVO (1962-2015); The Authors (2016-present)
To investigate the relationship between optic disc parameters obtained with scanning laser ophthalmoscope and axial length and refraction in healthy schoolchildren.
Six hundred eighty-two healthy children, aged 7 to 14 years were participated. For all subjects visual acuity, cycloplegic refraction, biomicroscopic anterior segment and fundus examination were performed. Optic disc parameters were obtained from scanning laser ophthalmoscope (HRT II, Heidelberg, Germany) and axial lengths were obtained from an A-mode ultrasonography. 22 optic disc parameters were acquired. Linear regression analysis was used to investigate the relationship of optic disc parameters with axial lengths and refractive errors.
331 subjects (%48.5) were female and 351 (%51.4) were male. Mean age of this sample was 10.3±2.2 years. Mean axial length was 22.87±0.8mm and the mean axial length of male subjects (23.10±0.8mm) was longer than the mean of female subjects (22.62±0.8mm) (p<0.0001). No relationship between optic disc area and refraction and axial length was found. There was a negative correlation between axial length and retinal nerve fiber layer thickness, height variation of the contour, maximum contour depression and a positive correlation between axial length and horizontal c/d ratio, vertical c/d ratio, maximum contour elevation; when parameters analyzed by Pearson’s correlation test. Horizontal c/d ratio was significantly associated with axial length by linear regression analysis (p<0.05).
We report that there is a significant relationship between optic disc parameters and axial length in children 7-14 years of age
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