This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ocular trauma , Subject name: Ophthalmology
Chalcosis is seen with- 
Select and explain. 
A. Pb, B. Cu, C. Fe, D. Hg
B: Cu
Answer: B: Cu 
Explanation: *Chalcosis refers to the specific changes produced by the alloy of copper in the eye. Ref: Khurana 7th/e p.452