Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Intraocular (Uveal) Melanoma ?
    ### Response:
    Key Points
                    - Intraocular melanoma is a disease in which malignant (cancer) cells form in the tissues of the eye.    - Being older and having fair skin may increase the risk of intraocular melanoma.    - Signs of intraocular melanoma include blurred vision or a dark spot on the iris.
    