Disordered vergence control in dyslexic children.
Open Access
- 1 March 1988
- journal article
- research article
- Published by BMJ in British Journal of Ophthalmology
- Vol. 72 (3) , 162-166
- https://doi.org/10.1136/bjo.72.3.162
Abstract
By means of a synoptophore vergence eye movements were recorded in dyslexic and normal children while they were attempting to track small targets moving in simulated depth. Of the dyslexic children 64% were unable to make proper vergence movements when macular sized fusion targets (2 1/2 degrees) were employed, but their vergence control was better for larger (7 degrees) targets. The normal readers and the remaining dyslexics showed normal vergence responses for both large and small moving fusion stimuli. The results suggest that many dyslexics suffer a disorder of visuomotor control and perception for stimuli falling on the macula; this may explain their characteristic visual problems when reading. Hence recording vergence eye movement responses to small moving fusion stimuli may be useful in the investigation and treatment of children with reading difficulties.This publication has 16 references indexed in Scilit:
- The Dunlop test and reading in primary school children.British Journal of Ophthalmology, 1986
- EFFECT OF MONOCULAR OCCLUSION ON VISUOMOTOR PERCEPTION AND READING IN DYSLEXIC CHILDRENThe Lancet, 1985
- Surface DyslexiaThe Quarterly Journal of Experimental Psychology Section A, 1983
- Categorizing sounds and learning to read—a causal connectionNature, 1983
- Diagnosis of dyslexia by means of a new indicator of eye dominance.British Journal of Ophthalmology, 1982
- Visual dyslexiaTrends in Neurosciences, 1981
- Do eye movements hold the key to dyslexia?Neuropsychologia, 1981
- THE CONCEPT OF SPECIFIC READING RETARDATIONJournal of Child Psychology and Psychiatry, 1975
- The naso‐temporal division of the monkey's retinaJournal of Comparative Neurology, 1973
- Perception of the speech code.Psychological Review, 1967