Uveal Melanoma is cancer of the eye involving the iris, ciliary body, or choroid (collectively referred to as the uvea) with advanced tumors encompassing more than one of these structures. Tumors arise from the pigment cells (melanocytes) that give color to the eye. Uveal melanoma is distinct from most skin melanomas associated with ultraviolet exposure; however, it shares several similarities with other non-sun-exposed melanomas. ...

Uveal Melanoma is cancer of the eye involving the iris, ciliary body, or choroid (collectively referred to as the uvea) with advanced tumors encompassing more than one of these structures. Tumors arise from the pigment cells (melanocytes) that give color to the eye. Uveal melanoma is distinct from most skin melanomas associated with ultraviolet exposure; however, it shares several similarities with other non-sun-exposed melanomas.

Incidence of uveal melanoma is highest among people with lighter skin and blue eyes. Other risk factors, such as blue light exposure and arc welding have been put forward, but are still debated in the field. The size of the tumor tends to double yearly creating pressure in the eye and often impairing peripheral vision.