Eye surgery used to remove malignant melanoma

Eye surgery used to remove malignant melanoma

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Credit: ALEXANDER TSIARAS/SCIENCE PHOTO LIBRARY

Caption: Close-up of an eye surgery technique used to remove a malignant melanoma, a cancerous tumour, from a patient's eye. A low-power red argon laser is directed through a fibre-optic onto the eye, which is encased in a plastic contact case that allows the pupil to stay fully open during the operation. The laser activates a drug called HPD, haemoporphyrin derivative, previously injected into the patient. Activation occurs through a photochemical reaction, & the products of this reaction are specifically targeted to the cancer cells, which are destroyed. In this application the heat-generating capability of the laser - its cutting power - is not utilised.

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Keywords: cancer, eye surgery, healthcare, in medicine, laser, medical, medicine, melanoma, surgical, treatment

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