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Diagnosis Types

Understanding conditions affecting the eye can be difficult. We hope this labelled diagram will help describe different parts of the eye that can be affected by cancer.

• Cornea- this is the clear window at the front of the eye that enables us to see properly.

• Conjunctiva- this is “the skin” of the eye, which helps protect us from infections.

• Lens- this helps focus the light on the back of the eye.

• Iris- this is the coloured part of the eye which changes shape and controls the amount of light entering the eye

• Ciliary Body- This is responsible for producing fluid called “aqueous” inside the eye. It also helps change the shape of the lens so we can focus when reading.

• Vitreous- this is the “jelly” inside the eye.

• Choroid- this pigmented layer covers the whole of the back of the eye. It absorbs excess light entering the eye and helps stop symptoms of glare.

• Retina- this layer has the photoreceptors of the eye (like the film of a camera). It captures images from the outside world and sends them to the brain.

• Optic Nerve- This nerve connects the eye to the brain.

The choroid, cilary body, and the iris make up the uveal tract. This is where melanomas (cancer of the eye) can grow.