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': 'ln &;V&;-Exotropia amount of detion \nSelect and explain. \nA. Decreases in upward gaze and increases in downward gaze, B. Decreases in upward as well as downward gaze, C. Increases in upward as well as downward gaze, D. Increases in upward gaze and decreases in downward gaze', 'role': 'user'}, {'content': "Answer: D \nExplanation: A' AND 'V' PATTERN HETEROTROPIA The terms 'A' or 'V' pattern squint are labelled when the amount of detion in squinting eye varies by more than 10deg and 15deg, respectively, between upward and downward gaze. 'A' and 'V' esotropia. In 'A' esotropia the amount of detion increases in upward gaze and decreases in downward gaze. The reverse occurs in 'V' esotropia. 'A' and 'V' exotropia. In 'A' exotropia the amount of detion decreases in upward gaze and increases in downward gaze. The reverse occurs in 'V' exotropia. Ref:- A K KHURANA; pg num:-334", 'role': 'assistant'}]