September 2021
Volume 21, Issue 9
Open Access
Vision Sciences Society Annual Meeting Abstract  |   September 2021
Rethinking amblyopia and its therapies
Author Affiliations
  • Dennis M Levi
    University of California Berkeley
Journal of Vision September 2021, Vol.21, 32. doi:https://doi.org/10.1167/jov.21.9.32
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      Dennis M Levi; Rethinking amblyopia and its therapies. Journal of Vision 2021;21(9):32. doi: https://doi.org/10.1167/jov.21.9.32.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Recent work has transformed our ideas about effective therapies for amblyopia. Since the 1700’s, the clinical treatment for amblyopia has consisted of patching or penalizing the strong eye, to force the “lazy” amblyopic eye, to work. This treatment has generally been limited to infants and young children during the “critical” or sensitive period of development. Over the last 20 years, we have learned much about the nature and neural mechanisms underlying the loss of spatial and binocular vision in amblyopia, and that a degree of neural plasticity persists well beyond the sensitive period. Importantly, the last decade has seen a resurgence of research into new approaches to the treatment of amblyopia both in children and adults, which emphasise that monocular therapies may not be the most effective for the fundamentally binocular disorder that is amblyopia. These approaches include perceptual learning, video game play and binocular methods aimed at reducing inhibition of the amblyopic eye by the strong fellow eye, and enhancing binocular fusion and stereopsis. This talk will highlight both the successes of these approaches in labs around the world, and their dismal failures in clinical trials. Reconciling these results raises important new questions that may help to focus future directions.

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