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
Rapid change of presbyopic glass is a feature of – 
Select and explain. 
A. Senile cataract, B. Retinal detatchment, C. Intumescent cataract, D. Open angle glaucoma
D: Open angle glaucoma
Answer: D: Open angle glaucoma 
Explanation: Clinical features of POAG :- Headache, eyeache, frequent changes in presbyopic correction, scotoma (visual field defect), difficulty in dark adaptation.