Objective To study the pathogensis of lens posterior capsular opacification and the effects of different ocular tissue on bovine lens epithelial cells(BLEC) in cell culture level.

目的从细胞水平探讨后囊混浊形成的机理，及各种眼组织对晶状体上皮细胞的作用。

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AIM: To investigate the effect of nitric oxide in ocular inflammation after intraocular lens implantation.

目的：探讨一氧化氮在人工晶体植入术后眼内炎症反应中的作用。

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The particular functions and the impact to the systemic performance of the critical elements such as lighting system, grating, field lens and electronic ocular are analyzed.

对系统的关键性部件如照明系统、光栅、物镜和电子目镜的选用以及它们对系统性能的影响进行了分析。

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