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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



glaucoma  listen  (glaw-KOH-muh)

  A condition in which there is a build-up of fluid in the eye, which presses on the retina and the optic nerve. The retina is the layer of nerve tissue inside the eye that senses light and sends images along the optic nerve to the brain. Glaucoma can damage the optic nerve and cause loss of vision or blindness.