This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Strabismus, Subject name: Ophthalmology
[{'content': 'What is the first step in the management of an 18 month old child whose both eyes are deviated medially: \nSelect and explain. \nA. Forced ductions test, B. Examination under anaesthesia, C. Refractive error testing, D. Examination of fundus', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. (c) Refractive error testingRef: Kanski's Clinical Ophthalmology 8th Ed; Page No- 755* First step of managing squint patient is visual acuity assessment and refraction under cycloplegia with atropine must for children less than 6 years of age.* Cycloplegic choice for children Age <5 years: Atropine 1% ointment TDSx3 days.* Cycloplegic choice for Adults: Cyclopentolate 1%.", 'role': 'assistant'}]