Cortical visual dysfunction in children: a clinical study.

G Dutton, J Ballantyne, G Boyd, M Bradnam, R Day, D McCulloch, R Mackie, S Phillips, Kathryn Saunders

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

Damage to the cerebral cortex was responsible for impairment in vision in 90 of 130 consecutive children referred to the Vision Assessment Clinic in Glasgow. Cortical blindness was seen in 16 children. Only 2 were mobile, but both showed evidence of navigational blind-sight. Cortical visual impairment, in which it was possible to estimate visual acuity but generalised severe brain damage precluded estimation of cognitive visual function, was observed in 9 children. Complex disorders of cognitive vision were seen in 20 children. These could be divided into five categories and involved impairment of: (1) recognition, (2) orientation, (3) depth perception, (4) perception of movement and (5) simultaneous perception. These disorders were observed in a variety of combinations. The remaining children showed evidence of reduced visual acuity and/ or visual field loss, but without detectable disorders of congnitive visual function. Early recognition of disorders of cognitive vision is required if active training and remediation are to be implemented.
LanguageEnglish
Pages302-9
JournalEye (London, England)
Volume10 ( P
Publication statusPublished - 1996

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Vision Disorders
Visual Acuity
Cortical Blindness
Depth Perception
Visual Fields
Cerebral Cortex
Cognition
Clinical Studies
Brain
Recognition (Psychology)

Cite this

Dutton, G., Ballantyne, J., Boyd, G., Bradnam, M., Day, R., McCulloch, D., ... Saunders, K. (1996). Cortical visual dysfunction in children: a clinical study. Eye (London, England), 10 ( P, 302-9.
Dutton, G ; Ballantyne, J ; Boyd, G ; Bradnam, M ; Day, R ; McCulloch, D ; Mackie, R ; Phillips, S ; Saunders, Kathryn. / Cortical visual dysfunction in children: a clinical study. In: Eye (London, England). 1996 ; Vol. 10 ( P. pp. 302-9.
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Dutton, G, Ballantyne, J, Boyd, G, Bradnam, M, Day, R, McCulloch, D, Mackie, R, Phillips, S & Saunders, K 1996, 'Cortical visual dysfunction in children: a clinical study.', Eye (London, England), vol. 10 ( P, pp. 302-9.

Cortical visual dysfunction in children: a clinical study. / Dutton, G; Ballantyne, J; Boyd, G; Bradnam, M; Day, R; McCulloch, D; Mackie, R; Phillips, S; Saunders, Kathryn.

In: Eye (London, England), Vol. 10 ( P, 1996, p. 302-9.

Research output: Contribution to journalArticle

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AB - Damage to the cerebral cortex was responsible for impairment in vision in 90 of 130 consecutive children referred to the Vision Assessment Clinic in Glasgow. Cortical blindness was seen in 16 children. Only 2 were mobile, but both showed evidence of navigational blind-sight. Cortical visual impairment, in which it was possible to estimate visual acuity but generalised severe brain damage precluded estimation of cognitive visual function, was observed in 9 children. Complex disorders of cognitive vision were seen in 20 children. These could be divided into five categories and involved impairment of: (1) recognition, (2) orientation, (3) depth perception, (4) perception of movement and (5) simultaneous perception. These disorders were observed in a variety of combinations. The remaining children showed evidence of reduced visual acuity and/ or visual field loss, but without detectable disorders of congnitive visual function. Early recognition of disorders of cognitive vision is required if active training and remediation are to be implemented.

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Dutton G, Ballantyne J, Boyd G, Bradnam M, Day R, McCulloch D et al. Cortical visual dysfunction in children: a clinical study. Eye (London, England). 1996;10 ( P:302-9.