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. 1989 Mar;52(3):341–345. doi: 10.1136/jnnp.52.3.341

Visual contrast sensitivity in drug-induced Parkinsonism.

C Bulens 1, J D Meerwaldt 1, G J van der Wildt 1, C J Keemink 1
PMCID: PMC1032408  PMID: 2926418

Abstract

The influence of stimulus orientation on contrast sensitivity function was studied in 10 patients with drug-induced Parkinsonism. Nine of the 10 patients had at least one eye with contrast sensitivity deficit for vertical and/or horizontal stimuli. Only generalised contrast sensitivity loss, observed in two eyes, was stimulus orientation independent. All spatial frequency-selective contrast deficits in 15 eyes were orientation dependent. The striking similarity between the pattern of contrast sensitivity loss in drug-induced Parkinsonism and that in idiopathic Parkinson's disease, suggests that generalised dopaminergic deficiency, from whatever cause, affects visual function in an analogous way.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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