Question

A 6-year old white male presents with a mild left head turn. Wet retinoscopy reveals OD: +0.25 OS: +0.50 with best corrected acuities of 20/20 in each eye. Extraocular movements show limited adduction of the left eye in right gaze. It is also noted that the left eye retracts with a narrowing of the eyelid fissure. What is the most appropriate diagnosis for this patient?

-Duane Syndrome Type II OD
-Duane Syndrome Type II OS
-Duane Syndrome Type I OS
-Brown syndrome OS
-Duane Syndrome Type III OS
-Bilateral Brown Syndrome

Answer 1

The most appropriate diagnosis for this patient is Duane Syndrome Type I OS, which is a rare congenital eye movement disorder that affects the muscles that control eye movement.

Step-by-step explanation:

The most appropriate diagnosis for this patient is Duane Syndrome Type I OS.

Duane Syndrome is a rare congenital eye movement disorder that affects the muscles that control eye movement. In this case, the patient's symptoms of limited adduction of the left eye in right gaze and left eye retraction with a narrowing of the eyelid fissure are consistent with Duane Syndrome Type I OS.