Stromal haze with opacification of the cornea is a common finding (shown).

角膜基质浑浊且透明性丧失是一项常见体征(如图所示)。

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ObjectiveEstablish the model of posterior capsule opacification(PCO) in rats.

研究目的建立大鼠后囊膜混浊（PCO）模型；

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Upper gastrointestinal opacification and gastroscope are safe and effective methods.

上消化道造影及胃镜检查是安全、有效的检查方法。

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