Melanoma is a form of cancer that occurs in the cells that contributes to the production of melanin, which is a substance that creates pigmentation to skin and eyes. Ocular melanoma is another term for eye melanoma. Eye melanomas occur in the region of the eye that cannot be seen by making it difficult to detect the disease. No signs or symptoms appear in the early stage of eye melanoma. The vision may not be affected by the treatment procedure for some small eye melanomas, however for large ones, there is a chance of vision loss when undergoing treatment.
If you experience any of the above symptoms, consult a doctor. Seeking immediate medical care is recommended if you have sudden vision changes.
The reason behind the development of eye melanoma is unclear. Eye melanoma can be detected when some errors arise in the DNA of healthy cells in the eye. The errors that occurs in the DNA cause the cells to grow and multiply themselves without a control. This makes the mutated cells to continue living when normally they are supposed to die. The accumulation of the mutated cells in the eye turns into an eye melanoma.
Eye melanoma generally occurs in uvea, which is the cells in the middle layer of the eye. The uvea composed of three parts. Eye melanoma can have an effect on each of them:
Aside from these three areas, eye melanoma can arise around the outer layer on the front of the eye known as conjunctiva, or in the socket surrounded by the eyeball and on the eyelid. However, these types of eye melanoma are uncommon.
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