Skip to Content


Pronunciation: re-frakt'


  1. To change the direction of a ray of light.
  2. To detect an error of refraction and to correct it by means of lenses.

[L. refringo, pp. -fractus, to break up]

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.