...non-cruciatus dexter (a&) and the fasciculus cruciatus dexter (AB) through a failure of function thus caused in the temporal half of the retina of the right eye and the nasal half of the retina of the left eye, producing homonymous left-sided hemianopsia. The disease-process spreads over the corresponding halves...

...and forming the right optic tract, supply the right half of the retina of each eye, that is to say, the temporal half of the retina of the right eye and the nasal half of that of the left eye; while the conditions are reversed as to the fibers coming from the left side...