malformalady:Melanodacryorrhea or black tears from argyrosis. The most common health effects with pr
malformalady:Melanodacryorrhea or black tears from argyrosis. The most common health effects with prolonged exposure to silver are the development of a characteristic irreversible pigmentation of the skin(argyria) and/or the eyes(argyrosis). Affected areas include hands, eyes, and mucous membranes in most patients. Discoloration of the ocular surface is the main ocular evidence in these patients -- source link