This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Elementary Optics, Subject name: Ophthalmology
[{'content': 'Oculus Dexter refers to \nSelect and explain. \nA. Left Eye, B. Right Eye, C. Both Eyes, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Right EyeRef: Oxford American Handbook of Ophthalmology (Oxford University Press) 2010/XVIII; Clinical Examination in Ophthalmology by Mukherjee (Elsevier India, 2009) p. 22AbbreiationNameRefers ToODOculus DexterRightOSOculus SinisterLeft EyeouOculus UterqueBoth Eyes', 'role': 'assistant'}]