Astigmatism

• Define corneal astigmatism
• Define lenticular astigmatism
• Differentiate between regular and irregular astigmatism
• Identify with the rule astigmatism refractive errors
• Identify against the rule astigmatism refractive errors
• Define simple myopic astigmatism
• Define simple hyperopic astigmatism
• Define compound myopic astigmatism
• Define compound hyperopic astigmatism
• Define mixed astigmatism
• List symptoms of astigmatism
• Identify causes of astigmatism
• Describe how the following instruments aide in detecting astigmatism: keratoscope, keratometer, corneal topographer, retinoscopy, Refractometry
• Identify with the rule astigmatism on corneal topography imaging
• Identify against the rule astigmatism on corneal topography imaging
• Describe what a Placido disk is and how it is used to detect and measure astigmatism
• List treatments for corneal astigmatism
• List treatments for lenticular astigmatism
• Identify possible complications of untreated astigmatism

Here is what some ophthalmic personnel who took this course had to say:

“It is so much nicer when questions follow the order of study vs. bouncing around! Thank you! Well organized.” C.R., COT

“Great review for astigmatism.” S. C., COT

“I enjoyed this course, thank you, well presented. I learned more than I thought I would!” L.C., COMT

This course should take approximately one hour to complete.

You must correctly answer at least 12 of the 15 questions on the open book post test.  If you do not successfully pass the post test the first time you may try again at no expense to you.