视觉障碍 视觉传导径路一Visual pathways →视网膜一retina →视神经 -optic nerve →视交叉一optic chiasm(a) →视束一optic tract →外侧膝状体-lateral geniculate nuclei →视放射一optic radiations →枕叶距状裂皮质一calcarine cortex of the occipital lobes视觉障碍 ◼ 视觉传导径路－Visual pathways →视网膜 －retina →视神经 －optic nerve →视交叉 －optic chiasm(a) →视束 －optic tract →外侧膝状体－ lateral geniculate nuclei →视放射 －optic radiations →枕叶距状裂皮质－ calcarine cortex of the occipital lobes