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KMID : 1011420140190030397
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Journal of Korean Ophthalmic Optics Society
2014 Volume.19 No. 3 p.397 ~ p.402
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Association between Axial Length and Anthropometric Value in Korean Children
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Kim Hyo-Jin
Lyu Jung-mook
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Abstract
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Purpose: To investigate the relationship between axial length (AL) and anthropometric parameters in Korean children.
Methods: This study included 40 urban school children aged 11-12 years (mean age, 11.95±0.22 years; 45.0% girls)
residing in Seoul, South Korea. AL (using partial coherence laser interferometry), corneal radius, refractive error, height
(m), and weight (kg) were measured. Body mass index (BMI [kg/m2]=weight/[height]2) and degree of obesity(DO[%]=[actual weight standard weight]/standard weight) were calculated. Furthermore, the number of hours spent reading, watching television, and using a computer every day was determined using a detailed questionnaire.
Results: The students had a mean spherical equivalent refraction of 1.06±0.84 D. Weight (r=0.427, p=0.006), BMI (r=0.508, p=0.001), and DO (r=0.371, p=0.018) showed a significant positive correlation with AL. Furthermore, longer AL was significantly associated with heavier weight (p=0.041), and higher BMI (p=0.015), and higher DO quartiles (p=0.042). After adjust for age, sex, and near-work activities, multivariate linear regression models showed that weight, BMI, and DO were still significantly associated with AL. Among the near-work activities, daily reading time was significantly associated with AL.
Conclusions: AL was positively related to weight as well as daily reading time in Korean urban school children.
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KEYWORD
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Axial length, Myopia, Weight, Body mass index, Near-work activities
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