在植入式眼镜手术后,前段结构的变化是由不同的亮度光引起的
Xia Li1, Min Wang2, Weiwen Dong3
1Department of Ophthalmology, Shanghai Aier Eye Hospital, Shanghai, China. suyilixia@163.com.
BMC ophthalmology
|June 16, 2023
概括
植入式眼镜 (ICL) 手术会影响眼前部分的动态. 照明条件改变瞳孔大小,顶和前腔深度-ICL,由虹膜变化驱动,而不是晶体透镜.
科学领域:
- 眼科医生 眼科 眼科
- 眼镜测量是指眼睛的测量.
- 生物医学工程 生物医学工程
背景情况:
- 在植入可植入膜透镜 (ICL) 植入后调查眼前部分变化.
- 评估中光和光光照明条件对眼睛结构的影响.
研究的目的:
- 分析近视患者ICL V4c手术后眼前部分的变化.
- 为了评估不同光强度 (半光与光光) 对ICL顶,瞳孔直径和前腔大小的影响.
主要方法:
- 使用前段光学连贯断层扫描 (AS-OCT) 来测量眼睛的参数.
- 包括近视患者的47只眼睛在ICL V4c植入后三个月.
- 在中视 (0 lx) 和光视 (5290 lx) 条件下记录的测量结果.
主要成果:
- 相比之下,光学条件导致圆显著减少 (486.7 ± 186.1 微米),而半光学条件 (643.5 ± 191.2 微米).
- 前腔深度-ICL (ACD-ICL) 在光学光 (2.54 ± 0.24毫米与2.37 ± 0.23毫米) 中显著增加.
- 在光学条件下,瞳孔直径显著缩小 (2.66 ± 0.23毫米对比5.62 ± 0.55毫米),而ACD保持不变.
结论:
- 在ICL手术后,增加的光强度会导致瞳孔收缩,缩小顶,扩大前腔角度,增加ACD-ICL.
- 观察到的眼球变化归因于虹膜动态,而不是晶体镜片的改变.
- 这些发现对于理解ICL植入后的视觉表现和潜在并发症至关重要.
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