Certified Ophthalmic Assistant Practice Exam

Disable ads (and more) with a membership for a one time $2.99 payment

Study for the Certified Ophthalmic Assistant Exam. Practice with multiple choice questions, flashcards, and detailed explanations to grasp essential knowledge for your exam success. Get ready to become a certified professional in ophthalmology!

Start Multiple Choice Practice Test
Start Flash Cards

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

What does the notation -2.50 +1.00 X175, in minus cylinder, equate to?

  1. -2.00 -1.00 X 85

  2. -1.50 +1.00 X 85

  3. -2.50 +1.00 X 85

  4. -2.00 -1.00 X 95

The correct answer is: -2.00 -1.00 X 85

In minus cylinder notation, the given prescription -2.50 +1.00 X175 can be converted to plus cylinder format by adding the sphere and cylinder powers algebraically and changing the axis by 90 degrees. Therefore, -2.50 +1.00 X175 is equivalent to -1.50 -1.00 X 85. This means that the correct answer is A.

More Questions Like This