Figure 3From: Pituitary macroadenomas: are combination antiplatelet and anticoagulant therapy contraindicated? A case report Visual field tests before and after pituitary surgery. The results of visual field testing are shown. The upper set, taken before the operation, demonstrate a temporal hemianopia in the left eye field and closure of three quadrants in the right eye field, sparing the inferior nasal quadrant. The lower set demonstrates the improved visual fields after surgery.Back to article page