The condition where various types of tumors occur in different parts of the eye is termed as eye cancer. The uncontrollable growth of cells in the eye that forms a mass known as a tumor. A tumor can be both malignant or benign. Intraocular malignancy is a cancer that develops in the eyeball. Ophthalmologists are the doctors who specialize in the function and diseases of the eye. These doctors treat and diagnose the condition of intraocular melanoma. While Optometrists are not medical doctors and they only prescribe eye correcting glasses. An Optometrist cannot treat intraocular cancer.
Cancers of the Eyeball : The types of intraocular cancers are -
Lymphoma of the eye : Lymphoma is the part of the immune system and generally starts in the lymph nodes. It is a rare condition of lymphoma developing inside the eyes and is termed as intraocular lymphoma. The cause of intraocular lymphoma is the weak immune system. People who are elderly, or are suffering from AIDS, or they had organ transplants that where they are required to take drugs to damp down their immune system.
Rare cancers in children : Medulloepithelioma and Retinoblastoma are the two types of eyeball cancers that develop in the children. Medulloepithelioma generally does not spread and is a rare type of tumor found especially in young children. Retinoblastoma is also a rare type of tumor that develops in the children who are under the age of five.
Melanoma of the eye : Melanocytes cell which turns cancerous in melanoma and usually these cells make coloring or pigment. The melanocytes can be found in the lips, in the coating of the organs and on skin. Melanomas begins in the skin and can also occur in the other body parts along with the eye. The melanoma of the eye can begin in eyelid, eyeball or conjunctiva.
Eyelid melanoma and conjunctive melanoma are the types of extraocular cancers which is of rare types. Choroidal melanoma or uveal melanoma is that eye cancer type that develops in the tissues inside eyeball's middle layer known as choroid. Iris melanomas can be easily detected in its early stages. Iris melanoma usually does not spread to the different body parts and is very slow growing. The melanomas are categorized into three types that is based on their cancerous look when examined under the microscope.
Secondary eye cancers : It has been seen that a cancer spreads to the eye from a different part of the body. Secondary eye cancer is that cancer where the cancer has spread to the eye. In men this cancer is likely to occur with lung cancer while in women with breast cancer.
Cancers around the eyeball : The cancers can also spread in the structures and tissues that surrounds the eyeball. Accessory muscles and the orbit are the areas around the eyes. Cancers of skin tissue, muscle and nerve generally develops in these parts of the eye.
In order to diagnose eye cancer, signs and symptoms are required that might confirm about the presence of the eye cancer. Examining the eye is the most significant point in diagnosing the melanoma of the eye. An Ophthalmologist may look for large blood vessels on the outer side of the eye that can prove to be an indication of a tumor. Special instruments are used to look in the eye for detecting any abnormality in the eye. These instruments are gonioscopy lens, ophthalmoscope and indirect ophthalmoscope.
Eye cancers can be divided into primary and secondary. The primary eye cancers begin in the eye tissues while the secondary cancer begins in different parts of the body and from there has been spread to the eye. The causes of eye cancer are still unknown but lung cancer and breast cancer are the two types of cancer that causes secondary eye cancer.
The treatment for eye melanoma is radiotherapy or surgery or in some cases both. The surgery depends upon three factors - size of the tumor, location of tumor and the rate of affecting the patient's eye. For the growing iris melanoma tumor, one of these operations will be performed-
For treating melanomas that has spread outside the eyes are enucleation and radiotherapy. The lymphoma of the eye can be treated by using chemotherapy, biological therapy and radiotherapy.
The condition of Ptergium affects those people who spend a lot time outside. This common eye condition leads to the development of pink, fleshy tissue of the white part of the eye. Also referred to as surfer's eye, the condition generally develops on the side near to nose.
The most common type of intraocular tumor, choroidal nevus occurs in about 7% of adults. The lesions of this condition have no symptoms and can be detected by routine eye examination. This condition is usually not seen in children and in adults it can be minimally elevated, non-pigmented or pigmented and even flat.
The swelling of the tissue behind the orbit (back area of the eye) is termed as orbital pseudotumor. The eye is situated on the orbit which is a bony cavity in the skull. The orbit protects the muscles, tissues and the eyeball which surrounds it. Orbital pseudotumor does not spread to any other body parts.
Also referred to as pigmented layer of the retina, this pigmented cell layer is responsible for nourishing the retinal visual cells. The retinal pigmented epithelium is attached to the overlying retinal visual cells and underlying choroid.
Every year a large number of patients from all the world visits India to get the treatment for eye cancer. The cost of eye cancer surgery in India is very low and all the hospitals use the latest techniques for treating eye cancer. The total treatment rates vary according to the type of eye cancer a patient is afflicated with.
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