Bell R A, Thompson H S
Am J Ophthalmol. 1978 Apr;85(4):538-40. doi: 10.1016/s0002-9394(14)75251-1.
We saw four patients with optic tract lesions and complete homonymous hemianopia. In each patient, the visual acuity was good in both eyes. All four patients had a relative afferent pupillary defect in the eye with the temporal field loss. This pupillary sign is to be expected in all such cases and may serve to differentiate acute optic tract lesions from acute geniculostriate lesions when the characteristic midnasal pallor of the nerve head has not had time to develop.
我们观察了4例视束病变并伴有完全性同向性偏盲的患者。每例患者双眼视力均良好。所有4例患者患侧颞侧视野缺损的眼睛均有相对性传入性瞳孔障碍。在所有此类病例中均可预期出现这种瞳孔体征，当视乳头典型的鼻侧苍白尚未形成时，该体征可用于鉴别急性视束病变与急性膝状体距状束病变。
