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Glaucoma, computer artwork

Glaucoma, computer artwork

M155/0571

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Credit

ANIMATED HEALTHCARE LTD / SCIENCE PHOTO LIBRARY ANIMATED HEALTHCARE LTD / SCIENCE PHOTO LIBRARY

Caption

Glaucoma, computer artwork. Glaucoma is an increased pressure in the eyeball due to an excessive amount of aqueous humour (the fluid that fills the eyeball). The eye may be producing too much aqueous humour or it may not be draining away. Seen here are the blood vessels (red) and the optic disc (yellow), which is raised with a central bulge or 'cup' (white). The cup-to-disc ratio is used to measure the progression of glaucoma. The increased pressure compresses the optic nerve and blood vessels in the eye, impairing vision. Treatment is with eye drops and in some cases surgery. If left untreated glaucoma can cause total blindness.

Release details

Model release not required. Property release not required.

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