Melanoma is a type of cancer that develops in the cells that
produce melanin — the pigment that gives your skin its color.
Your eyes also have melanin-producing cells and can develop
melanoma. Eye melanoma is also called ocular melanoma. Most eye
melanomas form in the part of the eye you can't see when looking
in a mirror. This makes eye melanoma difficult to detect. In
addition, eye melanoma typically doesn't cause early signs or
symptoms. Treatment is available for eye melanomas. Treatments
for some small eye melanomas may not interfere with your vision.
However, treatment for large eye melanomas typically causes some
vision loss. Where eye melanoma occurs Eye melanoma can occur in
the eye's choroid — the layer of blood vessels and connective
tissue between the white part of the eye (sclera) and the back
wall of the eye (retina). ... Eye melanoma may not cause signs
and symptoms. When they do occur, signs and symptoms of eye
melanoma can include: When to see a doctor It's not clear what
causes eye melanoma,