Primary acquired melanosis.
D003229:Conjunctival Diseases / Q000175:diagnosis* / Q000473:pathology; D003230:Conjunctival Neoplasms / Q000175:diagnosis / Q000473:pathology; D003937:Diagnosis, Differential; D006801:Humans; D008545:Melanoma / Q000175:diagnosis* / Q000473:pathology; D008548:Melanosis / Q000175:diagnosis* / Q000473:pathology; D009626:Terminology as Topic