This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
[{'content': 'The end point of streak retinoscopy is: \nSelect and explain. \nA. Neualization of the red reflex, B. Streak disappears and the pupil appears completely light or dark, C. Just reversal of the red reflex, D. All of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Streak disappears and the pupil appears completely light or dark', 'role': 'assistant'}]