a. What type of strabismus is this?
A mechanical one. The field are compressed vertically.
b. Is the eye straight in the primary position?
The field indicates that the patient is likely to have a convergent
strabismus as the dot on the central field is moved nasally.
c. What is the diagnosis?
Left Duane's syndrome of type A (Brown's classification):
with limited and abduction and limited
adduction to a lesser degree.
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