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以眼部病变为首发表现的脑肿瘤临床并不少见，视觉诱发电位（ｖｉｓｕａｌｅｖｏｋｅｄｅｓｐｏｎｓｅ，ＶＥＰ）检查有助于诊断。但脑肿瘤患者有明显视力下降而图形及闪光ＶＥＰ完全不能查出波形者少见。现报道两例如下。例１ 男，３３岁，因双眼视力逐渐下降半年，到我科就?
It is not uncommon for brain tumors to be characterized by ocular lesions, and visual evoked potentials (VEPs) are helpful in the diagnosis. However, patients with brain tumors have significantly decreased visual acuity and flash VEP completely unable to detect waveforms are rare. Now reported two cases as follows. Example 1 male, 33 years old, due to binocular vision gradually decreased six months to my department?