This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ocular motility and squint, Subject name: Ophthalmology
[{'content': 'All of the following may be present in Duane&;s retraction syndrome except \nSelect and explain. \nA. Suppression, B. Head turn, C. Narrowing of palpebral apeure in abduction, D. Limitation of abduction', 'role': 'user'}, {'content': "Answer: C \nExplanation: RESTRICTIVE SQUINT Duane's retraction syndrome : It is a congenital ocular motility defect occurring due to fibrous tightening of lateral or medial or both rectus muscles. Its features are: 1)\x01 Limitation of abduction (type I) or adduction (type II) or both (type III). 2)\x01 Retraction of the globe and narrowing of the palpebral fissure on attempted adduction. 3)\x01 Eye in the primary position may be ohotropic, esotropic or exotropic. Ref:- A K KHURANA; pg num:-335", 'role': 'assistant'}]