Abstract
126 patients with multiple sclerosis and normal visual acuity were submitted to a battery of tests of visual function. The investigation included visual evoked potential, contrast sensitivity by three methods, and a segment of the Farnsworth-Munsell 100 Hue test.
22 of the patients gave a history of unilateral acute optic neuritis and in these the abnormalities were greater in degree.
Contrast sensitivity emerged as the most useful test and was abnormal in 92.2% of eyes. Visual evoked potential was delayed in 35.6% and colour vision was abnormal in less than a third.
In general, contrast sensitivity was depressed at all frequencies and most of the abnormalities could be identified by testing at a single frequency of 4 cycles/degree.
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Abbreviations
- CD:
-
clinically definite
- CS:
-
contrast sensitivity
- CP:
-
clinically probable
- MS:
-
multiple sclerosis
- VEP:
-
visual evoked potential
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Ashworth, B., Aspinall, P.A. & Mitchell, J.D. Visual function in multiple sclerosis. Doc Ophthalmol 73, 209–224 (1989). https://doi.org/10.1007/BF00155090
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DOI: https://doi.org/10.1007/BF00155090