Damage at site #1 this would be like losing sight in the left eye The entire left optic nerve would be cut and there would be a total loss of vision from the left eye Damage at site #2 partial damage to the left optic nerve Here, information from the nasal visual field of the left eye (temporal part of the left retina) is lostThus, fibers from the nasal half of the left eye and the temporal half of the right eye form the right optic tract, and fibers from the nasal half of the right eye and the temporal half of the left eye form the left optic tract Just before the nerve fibers reach the thalamus, a few of them enter nuclei that function in various visual reflexesA lesion in the optic nerve of one eye causes partial or complete loss of vision in the same eye, with an intact field of vision in other eye A lesion at the proximal part of optic nerve of one eye cause, central field defect in one eye and temporal halffield defect in the other eye 2lmfy Zqzufoam Human eye cut in half ...