DR M.A. ANSARY / SCIENCE PHOTO LIBRARY DR M.A. ANSARY / SCIENCE PHOTO LIBRARY
Eye cancer. Child with eye cancer (retinoblastoma) in the right eye. Retinoblastoma is a cancer of the retina, the light sensitive membrane that lines the back of the eye. It is usually found in infants, and often causes blindness in the affected eye. It is a malignant cancer, and can spread to the brain along the optic nerve. Treatment is by surgical removal of the affected eye, sometimes combined with radiotherapy. Unless it is detected early, the prognosis is poor. Photographed in Africa, where lack of basic medical service, particularly in rural areas, allows many conditions to progress before treatment can be provided.
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