区域纤维插入角度对住宿的影响
Liying Feng1,2, Barbara Pierscionek3, Henk Weeber1
1Johnson & Johnson Surgical Vision, 9728 NX Groningen, The Netherlands.
Vision (Basel, Switzerland)
|August 27, 2024
概括
随着眼睛的年龄的增长,区域角度的变化会影响透镜的适应. 这项研究模拟了这些变化,发现改变的区域插入角度显著影响眼睛的聚焦能力.
科学领域:
- 眼科医生 眼科 眼科
- 生物机械工程 生物机械工程
- 计算建模 计算建模
背景情况:
- 随着年龄的增长,状体向前移,改变了眼睛中的区域插入角度.
- 这些与年龄相关的眼睛解剖学变化可以影响眼睛的适应能力.
研究的目的:
- 为了模拟透镜适应,使用具有不同区域角度的计算模型.
- 为了研究区域位置和插入角度对不同年龄组的镜头容纳能力的影响.
主要方法:
- 开发了来自11岁,29岁和45岁个体的2D轴对称镜片模型,包括囊,皮质,核和带状纤维.
- 模拟了通过调整连接点与体的不同区域插入角度.
- 在模拟拉伸过程中分析了这些角度变化对镜头形状和光学功率的影响.
主要成果:
- 较小的区域光纤角度导致模拟拉伸时光学功率变化更大.
- 在11岁,29岁和45岁的车型中,光功率变化分别高达0.17 D,0.24 D和0.30 D.
- 区域角影响了前半径的曲率,各年龄组的变化为0.29毫米,0.23毫米和0.25毫米.
结论:
- 增加的区域纤维插入角度导致镜头变形减少,更少的适应性变化.
- 发现平行区域在镜头形状和光学功率上产生了最显著的变化.
- 区域角度是一个关键因素,影响与年龄相关的变化,在镜头的住宿.
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