<prompt> Chalcosis is caused by?IronLeadCopperMercury  <response>: ANSWER: C CopperREF: Khurana 4th ed p. 493Chalcosis refers to specific changes made by copper containing alloys in eyeFeatures of chalcosis are:? KF rings on descement membrane of cornea ? Sunflower cataract? Golden brown metallic sheen plaques on the retinal pole 