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': 'Copper foreign body in the eye, which of the following will be seen \nSelect and explain. \nA. Cataract resembling petals of flower, B. Fleisher ring, C. Open angle of glaucoma, D. Pigmentary degeneration of retina', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer- A. Cataract resembling petals of flowerGrayish-green/golden brown discoloration of peripheral cornea called Kayser-Fleisher ring.Sunflower (Petal of flower) cataract due to deposition of copper under the posterior capsule ofthe lens.', 'role': 'assistant'}]