<prompt> Chyriasis is deposition ofSilver in stroma of corneaGold in stroma of corneaIron in basement membraneCopper in descements membrane  <response>: Chryiasis is deposition of gold in stroma of cornea. Type of Pigment Name of Deposit Disorder Location in Cornea Iron Stockers line Pterygium Epithelium Hudson-Stahli line In old age Epithelium Ferrys line Filtering bleb Epithelium Fleischers ring Keratoconus Epithelium Coats white ring Previous Metallic foreign body injury Bowmans layer Siderosis Stroma Blood staining of cornea Stroma Copper Kayser-Fleischer ring Wilsonss Disease Descements membrane Melanin Krukenbergs spindle Pigment dispersion syndrome Endothelium Silver Argyrosis Stroma Gold Chrysiasis Stroma 