Clinical Tutorials

Question 1

Describe the 3 steps to a cover test.

Answer 1

1. cover eye to find manifest squint
2. cover eye to find latent squint
3. alternate cover to find max deviation

Question 2

What is a phoria?

Answer 2

latent squint, occurs only after eye has been covered affects BOTH eyes typically

Question 3

What is a trophia?

Answer 3

manifest squint, affects one eye (one eye is straight one is not), occurs in binocular vision, when eye is not covered