A Randomized Trial to Evaluate the Effect of Toric Versus Spherical Contact Lenses on Vision and Eyestrain

David A. Berntsen,Stephanie M. Cox,Katherine M. Bickle,Jessica H. Mathew,Daniel R. Powell,Scott H. Seidman,Borm Kim Little,Kathrine Osborn Lorenz,Jason J. Nichols

A Randomized Trial to Evaluate the Effect of Toric Versus Spherical Contact Lenses on Vision and Eyestrain

2019

David A. Berntsen
Stephanie M. Cox
Katherine M. Bickle
Jessica H. Mathew
Daniel R. Powell
Scott H. Seidman
Borm Kim Little
Kathrine Osborn Lorenz
Jason J. Nichols

Objectives: To compare the effect of toric versus spherical soft contact lenses on objective measures of visual performance using visual acuity and electromyography of the orbicularis oculi muscle.

Keywords:

Randomized controlled trial
Optics
Medicine
Eyestrain
Physical therapy
Lens (optics)
Astigmatism
mean age
Population
Visual acuity
Optometry
contact lens
random order

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