THE MERCK MANUAL: The Merck Manual of Diagnosis and Therapymultimedia

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  • Primary Open-Angle Glaucoma
  • Glaucoma (Optic Nerve Changes)

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    Glaucoma (Optic Nerve Changes)

    Signs of moderate glaucoma include thinning of the neuroretinal rim with an increased cup: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 (