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': 'Rosette cataract seen in ? \nSelect and explain. \nA. Ocular trauma, B. Diabetes, C. Wilsons, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Rosette cataract it is the most typical form of concussion cataract. It appears as feathery lines of opacities along the star-shaped suture lines; usually in the posterior coex. Concussion cataract occurs mainly due to imbibition of aqueous and paly due to direct mechanical effects of the injury on lens fibres. REF IMG', 'role': 'assistant'}]