近视控制眼镜镜片设计对视觉功能的影响
Alfredo Desiato1, Hiu Yan Lam1, Reena Rani Anand1
1Optometry & Vision Science Research Group, School of Optometry, Aston University, Birmingham, UK.
概括
这项研究将近视控制眼镜镜片与标准镜片进行比较. 虽然中央视力相似,但一些近视控制镜头显示周边视力敏度和阅读速度降低.
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
- 视觉科学科学 视觉科学
背景情况:
- 控制近视的眼镜镜片旨在减缓近视的进展.
- 了解它们对视觉功能的直接影响对于临床采用至关重要.
研究的目的:
- 评估新型近视控制眼镜镜片对视觉功能的直接影响.
- 为了比较失焦调制和对比调制镜头设计与标准单视镜头.
主要方法:
- 一项前性,双盲,随机交叉研究涉及20名健康的近视年轻人.
- 参与者配备了扩散光学技术 (DOT),融合多段失焦 (DIMS),高度非球状镜头 (HAL) 和标准单视觉 (SV) 镜头.
- 视觉敏度,对比度灵敏度,阅读性能和适应性功能通过镜片的中央和外围区域进行评估.
主要成果:
- 与SV镜头相比,近视控制镜头 (HAL,DIMS) 显示周边视力敏度降低.
- 对于HAL和DIMS镜头,外围对比度的灵敏度较低.
- 通过外围的近视敏度和阅读速度对于SV,DOT和HAL是可比的,但对于DIMS来说更糟糕.
- 适应性反应和设施在镜头类型之间没有显著差异.
结论:
- 所有测试的近视控制眼镜镜片在中央视野中表现出可比标准SV镜片的视觉性能.
- 观察到外围视觉表现的显著差异,包括视觉敏度和阅读速度.
- 临床医生在处方近视控制镜片时应考虑这些外围视觉性能差异.
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