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Comparison of visual assessment tests in multiply handicapped children.

Mackie, R T, McCulloch, D L, Saunders, Kathryn, Ballantyne, J, Day, R E, Bradnam, M S and Dutton, G N (1995) Comparison of visual assessment tests in multiply handicapped children. Eye (London, England), 9 ( Pt . pp. 136-41. [Journal article]

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The aims of this study were to compare acuity estimates achieved with visual evoked potential (VEP) and acuity card techniques and to examine the success rates of each test in a group of multiply handicapped children. Subjects were 52 children (3-183 months) with multiple handicaps associated with prematurity (n = 17), congenital anomalies (n = 16), hypoxic insult (n = 10) and other disorders (n = 9). Success rates for completing the tests were: VEP 88% and acuity cards 85% (Keeler or Cardiff). The acuity card tests were less likely to be successfully completed in the severely disabled (p < 0.05) and in those children with nystagmus (p < 0.05). When both acuity cards were successful, results agreed to within +/- 1.75 octaves. Acuity card thresholds were significantly correlated with VEP thresholds (p < 0.02), but thresholds achieved with VEPs were better in children with poor vision.

Item Type:Journal article
Faculties and Schools:Faculty of Life and Health Sciences
Faculty of Life and Health Sciences > School of Biomedical Sciences
Research Institutes and Groups:Biomedical Sciences Research Institute
Biomedical Sciences Research Institute > Optometry and Vision Science
ID Code:1069
Deposited By: Professor Kathryn Saunders
Deposited On:25 Nov 2009 16:57
Last Modified:09 May 2016 10:45

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