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Updated: May 13, 2026

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Inducement and Evaluation of a Murine Model of Experimental Myopia
Published on: January 22, 2019
Inhibition of defocus-induced myopia in chickens
Jill Woods1, Sarah E Guthrie, Nancy Keir
1Centre for Contact Lens Research, School of Optometry & Vision Science, University of Waterloo, Ontario, Canada. jwoods@uwaterloo.ca
Investigative Ophthalmology & Visual Science
|March 9, 2013
Summary
New myopia control lenses significantly reduced myopia progression in chickens. The unique peripheral optical designs showed design-specific effectiveness in preventing myopia development.
Area of Science:
- Ophthalmology
- Animal Models
- Myopia Research
Background:
- Myopia, or nearsightedness, is a growing global health concern.
- Animal models are crucial for understanding myopia development and testing interventions.
Purpose of the Study:
- To evaluate the efficacy of novel peripheral optical designs in myopia control lenses.
- To assess the impact on defocus-induced myopia in a chicken model.
Main Methods:
- Newly hatched chickens were divided into control and test groups.
- Test groups wore lenses with unique peripheral myopia progression control (MPC) designs.
- Refractive error and axial length were measured over 14 days.
Main Results:
- Lenses with unique MPC designs significantly reduced myopia development compared to standard lenses.
- A significant difference in refractive error and axial length was observed between groups.
- The degree of myopia reduction was specific to the MPC lens design used.
Conclusions:
- Novel MPC lens designs effectively inhibit the progression of defocus-induced myopia in chickens.
- Lens design specificity influences the magnitude of myopia control.
- These findings support the potential of specialized lenses for myopia management.

