Skip to main content
  • Sep 08, 2014

    Optics: Astigmatism

    G. Vike Vicente, MD
    Residents Course

    On completing this module, the resident should be able to describe the types of astigmatism and the lenses used to correct them and calculate astigmatism corrections including power crosses and spherical equivalents. Please note that this course works best in Firefox with Flash enabled, and may not work in other browsers.