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Visuomotor Behaviour in Amblyopia: Deficits and Compensatory Adaptations
Ewa Niechwiej-Szwedo1, Linda Colpa2, Agnes M F Wong2,3
1Department of Kinesiology, University of Waterloo, Waterloo, Canada.
Neural Plasticity
|July 9, 2019
Summary
Amblyopia, a visual disorder, significantly impacts visuomotor behaviors like eye movements and balance. Research shows deficits during amblyopic viewing and adaptations in other conditions, influenced by amblyopia
Area of Science:
- Neuroscience
- Ophthalmology
- Motor Control
Background:
- Amblyopia is a neurodevelopmental visual disorder characterized by reduced visual acuity and impaired binocular vision.
- Historically, research on amblyopia's impact on visuomotor behaviors has been limited but has grown significantly in the last decade.
Purpose of the Study:
- To comprehensively review the effects of amblyopia on eye movements, upper limb reaching and grasping, and balance and gait.
- To synthesize current knowledge on how amblyopia influences visuomotor functions.
Main Methods:
- This is a review paper, synthesizing existing research on amblyopia and visuomotor behavior.
- The review covers studies on eye movements, reaching, grasping, balance, and gait in individuals with amblyopia.
Main Results:
- Amblyopia is associated with significant deficits in visuomotor behavior when using the amblyopic eye.
- Adaptations in visuomotor behavior are observed during binocular and fellow eye viewing in both children and adults with amblyopia.
- The heterogeneity of amblyopia, including its etiology and clinical features (visual acuity, stereoacuity), influences visuomotor development and performance.
Conclusions:
- Amblyopia profoundly affects visuomotor skills, necessitating further research into the specific contributions of clinical characteristics.
- Larger cohort studies are required to fully understand the impact of amblyopia heterogeneity on visuomotor development and performance in children and adults.
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