慢性高眼压对兔眼视神经的影响

来源 :中国实用眼科杂志 | 被引量 : 0次 | 上传用户:hufeng274240003
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本实验对22只(44只眼)健康成年青紫蓝兔的视神经乳头,在持续不同时间的高眼压状态下,分别进行了光镜和电镜的观察。结果显示:①慢性高眼压持续5周时,视神经乳头内轴索和血管开始出现病变,病变随高眼压持续时间的增长而加重;②高眼压持续时间较长后,虽眼压下降,但已发生的损害却不可能恢复;③慢性青光眼视神经损害的原因是十分复杂的,是多种因素造成的。 In this experiment, optic nerve head of 22 healthy adult blue-purple blue rabbits (44 eyes) were observed by light and electron microscope under the condition of high intraocular pressure (IOP) for different time. The results showed that: ① chronic high intraocular pressure for 5 weeks, the optic nerve head of the axonal and blood vessels began to appear lesions, lesions with the duration of elevated intraocular pressure and aggravating; ② elevated intraocular pressure after a long duration, although the intraocular pressure decreased , But the damage that has taken place can not be recovered; ③ The reason of chronic glaucomatous optic nerve damage is very complex and caused by many factors.
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