Definition:
ocular melanoma (AH-kyoo-ler MEH-luh-NOH-muh)
A rare cancer of melanocytes (cells that produce the pigment melanin) found in the eye. Also called intraocular melanoma.
Enlarge Eye anatomy; two-panel drawing shows the outside and inside of the eye. The top panel shows outside of the eye including the eyelid, pupil, sclera, and iris; the bottom panel shows inside of the eye including the cornea, lens, ciliary body, retina, choroid, optic nerve, and vitreous humor.

Anatomy of the eye, showing the outside and inside of the eye including the eyelid, pupil, sclera, iris, cornea, lens, ciliary body, retina, choroid, vitreous humor, and optic nerve.