Amblyopia - Case 1

A 3 year old boy comes to your office for a routine check-up.  At this age you routinely check visual acuity by using a picture card, patching each eye in turn.  You discover that visual acuity, measured at 10 feet,  is 10/15 OD, and 10/45 OS.  Upon inspection of the child's eyes you see the following:

Case 1

You perform a cover test, and when you cover the right eye, the left eye moves to look straight ahead.  When you cover the left eye the right eye doesn't move.

With the results of the cover test, what is your diagnosis?

Right exotropia
Right esotropia
Left exotropia
Left esotropia
None of the above