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': 'Epinephrine not used in : \nSelect and explain. \nA. Uveitis glaucoma, B. Open angle glaucoma, C. Aphakic glaucoma, D. Neovascular glaucoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Aphakic glaucoma Epinephrine (sympathomimetic drugs) should be avoided in aphakics Q due to possibility of cystoid macular oedema and in narrow angle glaucoma Q because mydriasis may precipitate the attack. In inflammatory glaucoma (uveitis glaucoma), prostaglandin analogue & pilocarpine are contraindicatedQ Miotics (e.g. pilocarpine) makes the iris thin & pulls it away from lens removing the pupillary block, increasing the chances of posterior synechiae (due to stretching & increased surface of iris) and restoring aqueous flow by opening irido-corneal angle. Anterior chamber becomes deep Q due to stretching of iris (which was earlier piled up.)', 'role': 'assistant'}]