鞍区肿瘤早期因症状轻微而常可延误就医,甚至造成误诊。当肿瘤逐渐长大而出现视力视野障碍时,多就诊于眼科,又多因无眼底改变而延误诊断。现报告2例,并讨论其视力、视野改变特点。例1:男,29岁。主诉自幼肥胖,颞侧头痛。体检、阴毛稀疏,阴茎短小。双眼视力5.1,双颞上象限15°～2 Saddle area tumors early due to minor symptoms and often delayed treatment, or even cause misdiagnosis. When the tumor grows up and visual field vision disorders, more treatment in ophthalmology, and more because no change in the fundus and delay diagnosis. Now report 2 cases, and discuss its visual acuity, visual field change characteristics. Example 1: Male, 29 years old. Chief obesity since childhood, temporal headache. Physical examination, pubic hair sparse, short penis. Binocular vision 5.1, double-temporal quadrant 15 ° ~ 2