A malignant melanoma within the conjunctiva of the eye. The disease is malignant conjunctival melanoma (MONDO_0002096). Also known as: conjunctiva melanoma, conjunctiva melanoma (disease), conjunctival malignant melanoma, conjunctival melanoma, malignant conjunctiva melanoma, malignant melanoma of conjunctiva, malignant melanoma of the conjunctiva, melanoma (disease) of conjunctiva.