Prism glasses bend and redirect light before it meets the eye. They may help improve double vision for people with an eye misalignment or condition. If an eye doctor suspects someone may benefit ...

A new, higher power, version of the permanent prism glasses recently developed by Chadwick Optical should also further expand the visual field and be even more beneficial for patients' mobility ...

A new, higher power, version of the permanent prism glasses recently developed by Chadwick Optical should also further expand the visual field and be even more beneficial for patients’ mobility ...

DEAR ABBY: I want to thank you for a letter you published in 2007. It came from a woman saying her daughter had "convergence insufficiency disorder," in which the eye drifts and causes double vision.