Objective: To study the clinical significance of atherosclerosis carotid stenosis and intracranial middle brain artery stenosis, and the relationship between carotid and acute brain infarction.

目的：探讨动脉粥样硬化性颈动脉狭窄、颅内大脑中动脉狭窄与急性脑梗死的关系及脑梗死复发原因。

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Conclusions: Excluding other diseases, the eyesight decline, visual field defect in patients over 50 years old were caused possibly by atherosclerosis of the arteries at the base of the brain.

结论：5 0岁以上者出现视力下降、视野缺损，特别是双眼同向性偏盲，若排除其他疾患，则可能是脑底动脉粥样硬化引起外侧膝状体血供障碍所致。

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