用浅球基曲线直立眼镜控制近视的一年结果:一项前性随机临床试验
Tong Liu1,2,3, Changxu Chen1,2,3, Wei Ma1,2,3
1Department of Optometry and Vision Science, West China School of Medicine, Sichuan University, Chengdu, China.
概括
在儿童中,无球基曲线正方体 (ortho-k) 镜片比球形镜片更有效地减缓了轴延长. 这种改善的近视控制可能源于更大的外周近视转移与aspheric镜头.
科学领域:
- 眼科医生 眼科 眼科
- 视光学测量 视光学测量 视光学测量
- 儿科眼科护理 儿科眼科护理
背景情况:
- 视近视科 (ortho-k) 是一种近视控制方法.
- 周围折射和轴延长是近视进展的关键因素.
研究的目的:
- 为了比较亚球形 (BCA) 与球形 (BCS) 基曲线ortho-k镜片在控制轴延长和改变中国儿童相对外周折射变化 (RPRC) 的疗效.
主要方法:
- 患有近视的儿童 (8-12岁) 被随机分为BCA或BCS ortho-k组.
- 轴长和外围折射在基线和12个月后被测量.
- 重复测量ANCOVA分析了轴延长和RPRC的差异.
主要成果:
- 与BCS组 (0.29毫米) 相比,BCA组在12个月内显示轴延长显著减慢 (0.19毫米).
- BCA镜头诱导了沿水平午线的更大的绝对RPRC.
- 在BCA组中,轴延长与时间RPRC相关.
结论:
- 无球底曲线的ortho-k镜片在减缓儿童轴延长方面表现出卓越的有效性.
- 使用BCA透镜增强近视控制可能归因于较大的外周近视转移.
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