| Office of NIH History |
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| Painting 1 : Glaucomatous Optic Disc | |
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| In the normal optic disc on the left, the number of optic nerve fibers is normal. The cup within the optic nerve is small and the vessels are near the center of the disc. In the glaucomatous optic disc on the right, increased pressure within the eye has caused the disappearance of a large number of optic nerve fibers. Therefore, the cup has enlarged and the disc vessels have curved along the cup's contour. | |
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