Brown skin cornea is seen in -a) Siderosisb) Mustard gas exposurec) Chalcosisd) Argyrosis
High-Yield Explanation
Brown discoloration of cornea may be seen in :-
Siderosis (Iron deposition)
Chalcosis (copper deposition) : KF rings
Drugs : Phenothiazines vii) Kyrle disease
Chrysiasis (gold deposition)
Blood staining
Benzoquinone, hydroquinine
Argyrosis (silver deposition) causes slate gray discoloration.
I am not sure about option b