This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lens, Subject name: Ophthalmology
[{'content': 'Steroid induced cataract is \nSelect and explain. \nA. Posterior subscapular, B. Anterior subscapular, C. Nuclear cataract, D. Cupulliform cataract', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Steroid induced cataract occurs due to deposition of mucopolysacharides in the trabecular mesh work', 'role': 'assistant'}]