Association between body mass index and suspected insufficient hyperopia reserve in preschool children

LEI Jun; ZHOU Xiaoyan; HE Jianyong; LIU Lifang

doi:10.11852/zgetbjzz2025-0137

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Chinese Journal of Child Health Care ›› 2025, Vol. 33 ›› Issue (10) : 1151-1155. DOI: 10.11852/zgetbjzz2025-0137

Health Promotion

Association between body mass index and suspected insufficient hyperopia reserve in preschool children

LEI Jun, ZHOU Xiaoyan, HE Jianyong, LIU Lifang

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Abstract

Objective To investigate the association between body mass index (BMI) and suspected insufficient hyperopic reserve in preschool children, in order to provide evidence for developing myopia prevention strategies. Methods From May to June 2024, a randomized cluster sampling method was used to select 3 353 children from 23 kindergartens in urban Lishui.Physical examinations and refractive screenings were conducted following the Guidelines for Eye Health and Vision Examination in Children Aged 0 - 6 Years (Trial).The association between BMI categories and suspected insufficient hyperopic reserve was analyzed. Results Among 3 353 children, 620 (18.49%) showed suspected insufficient hyperopic reserve.The detection rate was higher in boys (19.94%, 352/1 765) than in girls (16.88%, 268/1 588) (χ²=5.216, P=0.022), though BMI distribution did not differ by sex (P>0.05).The mean hyperopia reserve of children in the emaciated group, the normal weight group, the hypertrophic group and the obese group was +1.26±0.43D, +1.26±0.75D, +1.18±0.48D, +1.17±0.74D, respectively, and post-hoc comparisons revealed higher reserves in normal-weight children versus overweight/obese groups (F=2.922, P=0.033) .Children with suspected insufficient reserve had greater mean weight and higher BMI values (F=5.812, 4.519, P<0.05).The detection rate of hyperopia reserve insufficiency was highest in obese children (85/378, 22.49%; H=7.916, P=0.048), particularly obese boys (60/199, 30.15%; χ²=14.161, P=0.001). Conclusions Preschool children's BMI is associated with suspected insufficient hyperopic reserve.Integrating weight management into primary myopia prevention strategies is recommended.

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body mass index / hyperopia reserve / myopia prevention and control / preschool children

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LEI Jun, ZHOU Xiaoyan, HE Jianyong, LIU Lifang. Association between body mass index and suspected insufficient hyperopia reserve in preschool children[J]. Chinese Journal of Child Health Care. 2025, 33(10): 1151-1155 https://doi.org/10.11852/zgetbjzz2025-0137

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