Understanding Astigmatism and How it Affects Contact Lens Wear

Slide Number: 1 of 54 Total Slides
Introduction:
This course is designed to assist in the understanding of how contact lens powers are determined. Reviewing prescription and the cornea going further into detail on the various types of astigmatism and how contact lens wear and powers may be affected. Whether you are certified in contact lenses or a spectacle optician, at the end of this course you will have a better understanding of basic contact lens fitting and prescription selection with the ability to confidently reiterate the meaning of a prescription to your patient.

Learning Objectives:

Upon completion of this course, the participant should be able to: give a better understanding of the written prescription components and how each piece affects vision; show and understand the difference between plus cylinder and minus cylinder with optical cross illustration; show how astigmatism and cylinder components affects contact lens wear and fitting.