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': 'Rapid change of presbyopic glass is a feature of – \nSelect and explain. \nA. Senile cataract, B. Retinal detatchment, C. Intumescent cataract, D. Open angle glaucoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Clinical features of POAG :- Headache, eyeache, frequent changes in presbyopic correction, scotoma (visual field defect), difficulty in dark adaptation.', 'role': 'assistant'}]