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This course has been awarded .5 JCAHPO credit hours. It is intended for beginning and intermediate levels. The student should be able to demonstrate the following concepts:
  • Give an overview of what the numbers in visual acuity measurements mean and how they relate to each other.
  • Describe what the different methods of measuring visual acuity are including: Snellen letter chart, Tumbling E”s chart, Pictures chart, Central Steady Maintained, Fix and follow, Reacts to light/threat, Count fingers, Hand motions, and Light perception
  • Describe how to accurately measure using each of the methods mentioned above.
  • State when each of the methods above should be used
  • Identify how to record visual acuity
  • Describe why calibration is important for visual acuity measurements

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

"Very informative material!!" S.L., COT

"I really enjoyed taking this class, thank you for making it available" G.T., COT

"Good Info." F.L., COA

This course should take approximately one half hour to complete.

Upon completion of this section the student will take a post-test that will test his/her knowledge of the items mentioned above. You must correctly answer at least 10 of the 13 questions on the open book post test to earn JCAHPO credit. If you do not successfully pass the post test the first time you may try again at no expense to you.