| 晶状体折射率非均匀性特点消除球差的作用机制 |
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| 引用本文： | 毕会英,贺国珠,孔德兰. 晶状体折射率非均匀性特点消除球差的作用机制[J]. 中国医学物理学杂志, 1999, 16(2): 86-88 |
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| 作者姓名： | 毕会英 贺国珠 孔德兰 |
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| 作者单位： | 新乡医学院物理教研室，新乡医学院三附院 |
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| 摘 要： | 本文以光的折射定律为基础，建立了非近轴光线单球面折射成像的精确公式，讨论了非近轴光线经单球面折射、透镜折射成像的球差，分析了晶状体中央区折射率较高这一特点能消除球差的作用机制，给出了平行光线经角膜、晶状体后像的位置和无球差情况对晶状体折射率数值的要求。
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| 关 键 词： | 折射；折射率；球差；晶状体 |
| 文章编号： | 1005202X(1999)02-0086-03 |
| 修稿时间： | 1998-07-06 |
The working mechanism of non evenness of crystal index of refraction against spherical aberration |
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| BI Hui ying ,HE Guo zhu ,KONG De lan. The working mechanism of non evenness of crystal index of refraction against spherical aberration[J]. Chinese Journal of Medical Physics, 1999, 16(2): 86-88 |
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| Authors: | BI Hui ying HE Guo zhu KONG De lan |
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| Affiliation: | BI Hui ying 1,HE Guo zhu 1,KONG De lan 2 |
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| Abstract: | Based on the law of refraction of light,An accurate formulate of single spherical refraction of non paraxial light ray was established.Discussions were made on non paraxial light ray through single spherical refraction and the spherical aberration of the refraction image of lens.Another discussion was about the high index of refraction in the crystal centre which contracts with the spherical aberration.The position of parallel light through corner and crystal back image was given and so were the requirements of non spherical aberration towards the crystal index of refraction. |
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| Keywords: | refraction index of refraction spherical aberration crystal body |
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