Colour discrimination ellipses in patients with dominant optic atrophy

Simunovic, M. P., Votruba, Marcela ORCID: https://orcid.org/0000-0002-7680-9135, Regan, B. C. and Mollon, J. D. 1998. Colour discrimination ellipses in patients with dominant optic atrophy. Vision Research 38 (21) , pp. 3413-3419. 10.1016/S0042-6989(98)00094-7

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Abstract

Many colour tests require a visual acuity of at least 0.1, making them unsuitable for low vision patients. To assess colour vision in patients with sub-normal acuity, we re-designed a previously described test so that its spatial details would be coarse enough to be resolvable by subjects with severe visual impairment. The test measures chromatic discrimination along 20 axes evenly spaced in CIE 1976 L*u*v* colour space. We detail the results for this test in a group of patients with dominant optic atrophy. Despite the lack of evidence for genetic heterogeneity in dominant optic atrophy, we observed phenotypic variation both between and within families.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Optometry and Vision Sciences Neuroscience and Mental Health Research Institute (NMHRI)
Subjects:	R Medicine > RE Ophthalmology
Uncontrolled Keywords:	Low vision; Colour discrimination; Dominant optic atrophy; Colour vision deficiency
Publisher:	Elsevier
ISSN:	0042-6989
Last Modified:	21 Oct 2022 08:57
URI:	https://orca.cardiff.ac.uk/id/eprint/34885

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