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植入式眼内隐形隐形眼镜 (IPCL) 的调制转移功能用于近视和近视

Chunjing Yu¹, Kazutaka Kamiya^2,3, Takushi Kawamorita^2,3

¹Department of Ophthalmology and Visual Science, Kitasato University Graduate School of Medical Sciences, 1-15-1 Kitasato, Minami, Sagamihara, Kanagawa, 252-0373, Japan. yucjdoctor@163.com.

Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie

|June 6, 2024

概括

这项研究评估了近视和近视近视眼内膜眼镜 (IPCL) 的光学质量. 结果显示,瞳孔大小对视觉质量有影响,更高的附加功率可以降低长视 IPCL 的表现.

科学领域:

眼科医生眼科眼科
光学工程是指光学工程.
生物医学光学生物医学光学

背景情况:

眼内结合镜片 (IPCL) 用于纠正近视和近视.
在各种条件下评估IPCL的光学性能对于理解视觉结果至关重要.

研究的目的:

为了评估近视和长视IPCL的光学质量,具有不同的额外能力.
通过实验室调制转移函数 (MTF) 测量,研究瞳孔大小对IPCL光学质量的影响.

主要方法:

在体外调制转移功能 (MTF) 用眼睛幻影和OPAL Vector系统进行测量.
对具有不同额外功率的IPCL记录了线性散射函数 (LSF). (例如, +2.0D, +4.0D).
有效光圈从2.0到5.0毫米不等,MTF是从LSF计算出来的.

主要成果:

对于3.0毫米光圈的100周期/毫米的焦点内MTF值为43% (近视IPCL),27% (+2.0D长视IPCL) 和24% (+4.0D长视IPCL).
在3.0毫米的光圈中观察到最佳的MTF,在更大的光圈 (4.0毫米,5.0毫米) 中性能降低.
近视和长视IPCL都表现出很好的MTF,但更高的附加功率对长视IPCL的光学性能产生了负面影响.

结论:

近视和长视IPCL提供良好的光学质量,但更高的附加功率可能会损害长视眼的视觉性能.
瞳孔大小显著影响IPCL患者的视觉质量,用于近视和近视纠正.

关键词:

在IPCL中,IPCL是IPCL.调制转移功能的调制转移功能近视 IPCL IPCL 的情况帕希克的IOL是什么意思长视眼的IPCL是一种长视眼.瞳孔的大小瞳孔的大小

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