Eye cancer

There are different types of cancer that affect the eyes. Eye cancer doesn't always cause obvious symptoms and may only be picked up during a routine eye test. The symptoms below can be caused by other eye conditions, so it's important to get them checked as soon as possible.

About eye cancer

There are a number of different types of cancer that affect the eyes, including:

Cancer can also sometimes develop in the tissues surrounding your eyeball or spread to the eye from other parts of the body, such as the lungs or breasts.

The information on this page about melanoma of the eye, one of the most common types of eye cancer.

Symptoms of eye cancer

Eye cancer doesn't always cause obvious symptoms and may only be picked up during a routine eye test.

Symptoms of eye cancer can include:

  • shadows, flashes of light, or wiggly lines in your vision
  • blurred vision
  • a dark patch in your eye that's getting bigger
  • partial or total loss of vision
  • bulging of one eye
  • a lump on your eyelid or in your eye that's increasing in size
  • pain in or around your eye, although this is rare

When to see your GP

The symptoms above can also be caused by other eye conditions, so they're not necessarily a sign of cancer. It's important to get the symptoms checked by your optician (optometrist)  or a doctor as soon as possible.

If your optician (optometrist) or GP suspects you have a serious problem with your eyes, they will refer you to a specialist eye doctor called an ophthalmologist for an assessment.

If they suspect you have melanoma of the eye, they'll refer you to a specialist centre for eye cancer for tests. There are four centres in the UK, located in London, Sheffield, Liverpool, and Glasgow.

Melanoma of the eye

Melanoma is cancer that develops from pigment-producing cells called melanocytes. Most melanomas develop in the skin, but it's also possible for them to occur in other parts of the body, including the eye.

Eye melanoma most commonly affects the eyeball.

It can also affect the conjunctiva, the thin layer that covers the front of the eye, or the eyelid.

Causes of eye melanoma

Eye melanoma occurs when the pigment-producing cells in the eyes divide and multiply too rapidly. This produces a lump of tissue known as a tumour.

It's not clear exactly why this occurs, but the following factors may increase the risk of it happening:

  • lighter eye colour – if you have blue, grey or green eyes, you have a higher risk of developing eye melanoma compared with people who have brown eyes
  • white or pale skin – eye melanoma mostly affects white people and is more common in those with fair skin
  • unusual moles – if you have irregularly shaped or unusually coloured moles, you're more at risk of developing skin cancer and eye melanoma
  • use of sunbeds – there's some evidence to suggest that exposing yourself to ultraviolet (UV) radiation from sunbeds, for example, can increase your risk of eye melanoma
  • overexposure to sunlight – this increases your risk of skin cancer, and may also be a risk factor for eye melanoma

The risk of developing eye melanoma also increases with age, with most cases being diagnosed in people in their 50s.

Treatment for eye melanoma

If you are diagnosed with melanoma of the eye, your hospital consultant will discuss the most appropriate treatment options with you.

Treatment will depend on the size and location of the tumour. Your health professional will explain treatment options in detail, including the benefits and any potential complications.

Treatment will aim to conserve the affected eye whenever possible.

The main treatments for eye melanoma are:

  • brachytherapy – tiny plates lined with radioactive material called plaques are inserted near the tumour and left in place for up to a week to kill the cancerous cells
  • external radiotherapy – a machine is used to carefully aim beams of radiation at the tumour to kill the cancerous cells
  • surgery to remove the tumour or part of the eye – this may be possible if the tumour is small and you still have some vision in your eye
  • removal of the eye– this may be necessary if the tumour is large or you've lost your vision; the eye will eventually be replaced with an artificial eye that matches your other eye

Outlook for eye melanoma

The outlook for melanoma of the eye depends on how big the cancer is at the time it's diagnosed and exactly which parts of the eye are affected.

Overall:

  • about 8 out of every 10 people diagnosed with a small eye melanoma will live for at least five years after diagnosis
  • about 7 out of every 10 people diagnosed with a medium-sized eye melanoma will live for at least five years after diagnosis
  • about 5 out of every 10 people diagnosed with a large eye melanoma will live for at least five years after diagnosis

 

The information on this page has been adapted from original content from the NHS website.

For further information see terms and conditions.

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