Abstract
Homonymous hemianopia is caused by lesion of in the contralateral optic radiation or visual cortex in cerebral hemisphere or as the result of vision obstacle occurring in the area of striata damage. It is known that the influence of the cerebral hemisphere on eye movement related to pursuit, OKN. We compared ENG and eye-head coordination in two cases of congenital and acquired hemianopia due to left occipital lesion.In ENG of two cases, saccade was overshot on movements toward the blind side, pursuit was saccadic on movements toward the normal side and the OKN was defectiveness contralateral to the damage. However, any recordings in the congenital case were much worse.In eye-head coordination tests of these two cases it was demonstrated that the gaze movements toward the blind sides the disorders were greater before fixation. The visual fixation of the acquired case was more damaged than that of the congenital case.
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