optic radiation

(redirected from Optic radiations)
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Related to Optic radiations: Striate cortex, Primary visual cortex
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Noun1.optic radiation - a nerve pathway from the lateral geniculate body to the visual cortex
nerve pathway, nerve tract, pathway, tract - a bundle of myelinated nerve fibers following a path through the brain
References in periodicals archive ?
Hemianopia due to the lesion in anterior optic tract is characteristically non congruous, while that due to pathology in posterior optic radiations and occipital cortex are highly congruous1.
2010) defines CVI as impaired vision due to disorders in the optic radiations and/or visual cortex of the brain, to differentiate it from ocular visual impairment, caused by ocular problems.
Lesions which occur after the LGN produce more congruent quadrantanopias (optic radiations), respecting the midlines, or hemianopic defects if the whole optic radiation is affected.