眼镜镜片具有高度不球形的透镜片对周围眼睛长度和不对称性的变化的影响
Yingying Huang1, Xue Li1, Yanqing Wang1
1National Engineering Research Centre of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China.
概括
高度非球状镜片 (HAL) 通过减少眼睛的延长来减缓近视的进展. 与单视镜头相比,切换或继续使用HAL镜头有效地减少了轴长和外围眼长的延长.
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
- 控制近视 控制近视
背景情况:
- 近视的进展是一个重要的公共卫生问题.
- 带有高度非球性透镜片 (HAL) 的眼镜镜片在减缓近视进展和轴长度 (AL) 延长方面表现出有效性.
- HAL对外周眼长 (PEL) 和外周折射 (PR) 的影响需要进一步研究.
研究的目的:
- 研究HAL对儿童PEL和PR的影响.
- 为了比较继续佩戴HAL的儿童的结果与从单视眼镜镜片 (SVL) 或带有轻微无球镜片 (SAL) 的眼镜镜片切换到HAL的儿童的结果.
主要方法:
- 参与者被分为四组:持续使用HAL (HAL组),从SAL切换到HAL (SAL-HAL组),从SVL切换到HAL (SVL-HAL组),以及一个新的SVL组 (新SVL组).
- 在不同的视网膜午线上测量了PEL和PR.
- 分析了数据,以在三年内比较各组AL和PEL的变化.
主要成果:
- 与新SVL组相比,所有HAL组的AL和时间PEL延长显著减少.
- 在各组之间,部和上侧部区域的PR变化显著不同,新SVL组呈现出更大的进展.
- 在三个HAL组内,没有观察到AL和PEL变化的显著差异.
结论:
- 与SVL相比,切换到HAL或继续佩戴HAL有效地减缓了中央和眼长度的延伸.
- 哈尔透镜似乎影响视网膜度和对称性,有助于近视控制.
- 这些发现支持使用HAL作为管理儿童近视进展的有效策略.
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