Visually evoked cortical potentials in the evaluation of homonymous and bitemporal visual field defects

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Abstract

Visually evoked cortical potentials were studied in six patients with a homonymous and six with a bitemporal hemianopia by presenting a pattern-reversal stimulus separately to a temporal or nasal retinal area and by recording the responses from leads over the hemispheres. Homonymous visual field defects are characterized by a reduction of VECPs from the affected hemisphere. The disturbance of VECPs in bitemporal hemianopia is more serious, since the fibres from both retinal halves may be damaged by a chiasm tumour.

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APA

Wildberger, H. G. H., Van Lith, G. H. M., Wijngaarde, R., & Mak, G. T. M. (1976). Visually evoked cortical potentials in the evaluation of homonymous and bitemporal visual field defects. British Journal of Ophthalmology, 60(4), 273–278. https://doi.org/10.1136/bjo.60.4.273

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