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Glaucoma (Optic Nerve Changes) |
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Signs of moderate glaucoma include thinning of the neuroretinal rim with an increased cup-to-disk ratio, vertical elongation of the cup, pitting or notching of the rim, and wedge-shaped dark areas that reflect retinal nerve fiber layer damage.
Image courtesy of the University of California at San Diego via the Online Journal of Ophthalmology (www.onjoph.com).