Diplopia

Question 1

Binocular diplopia:

What is it?

What simple thing can you get the patient to do to confirm it diplopia?

Answer 1

A problem aligning 2 images

Absent when one eye is closed

Question 2

Binocular diplopia:

What can cause it?

Answer 2

CN 3, 4 and 6 palsies

Question 3

Binocular diplopia:

What movement in a CN 4 palsy will cause diplopia?

What movement in a CN 6 palsy will cause diplopia?

Answer 3

When looking down and in

When looking laterally

Question 4

Monocular diplopia:

What does monocular mean in this case?

Why is not talked about as much?

What lens pathology may cause it?

Answer 4

Double vision even when (unaffected) eye is closed

It is very rare

Cataracts