相关实验视频
Updated: Jul 17, 2025
07:06
Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
Published on: March 29, 2022
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由近视控制眼镜产生的视网膜阴影
Martín de Tomas1, Abel Szeps2, Gabriel Martín3,4
1International Optics and Ophthalmology, Buenos Aires, Argentina.
概括
视网膜OCT成像可视化了近视控制眼镜镜片 (DIMS,DEFOCUS,DOMS) 的外围阴影. 这种技术有助于理解和改善近视控制疗法,通过显示透镜诱导的失焦效应.
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
- 生物医学光学 生物医学光学
背景情况:
- 近视控制眼镜的目的是减缓近视的进展.
- 了解这些镜片对视网膜的光学效应对于有效性至关重要.
- 眼相干断层扫描 (OCT) 是用于视网膜可视化的非侵入性成像技术.
研究的目的:
- 为了分析由失焦和扩散光学眼镜引起的视网膜阴影的眼球连贯性断层扫描 (OCT) 图像.
- 评估通过特定的近视控制眼镜设计诱导的视网膜效应的可视化.
主要方法:
- 一只眼睛配备了霍亚脱焦纳入多段 (DIMS),外围添加眼镜 (DEFOCUS) 和扩散光学多段 (DOMS) 镜头.
- 红外线OCT捕获了黄斑区域的视网膜图像,具有中央固定.
- 用光学生物计测量角膜功率和眼内距离.
主要成果:
- DIMS和DOMS镜头产生了明显的外围视网膜阴影,使中央10-11°清晰.
- DEFOCUS镜头导致视网膜外围区域变暗.
- 放大分析表明,OCT光束的成像距离眼睛前部大约31毫米.
结论:
- 视网膜OCT成像,具有设备特定的校正,可以可视化受影响的区域失焦或对比度减少从近视控制眼镜.
- 这种可视化技术对于增强近视控制疗法具有潜在价值.
- 海外提供了一种方法来评估新型眼镜镜片设计的现场光学影响.
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