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April 1963

Secondary Open-Angle Glaucoma

Arch Ophthalmol. 1963;69(4):421-422. doi:10.1001/archopht.1963.00960040427001

Several years ago D'Ombrain1 observed that while ophthalmic textbooks classified the primary glaucomas systematically, no such treatment of the secondary glaucomas could be found. Today this criticism is no longer justified. The secondary glaucomas, like the primary, are classified into open-angle and closed-angle varieties. Yet to many ophthalmologists "open-angle glaucoma" and "chronic simple glaucoma" are terms often used synonymously. Neither the frequency of secondary open-angle glaucoma nor the variety of its causes is widely appreciated.

During the past few years it has become increasingly clear that many chronic open-angle glaucomas formerly considered to be "primary" are in fact secondary. Important pathogenetic factors previously overlooked or not recognized as being significant are now being investigated. Recurrent uveitis, prolonged local corticosteroid therapy, siderosis and hemosiderosis, diffuse malignant melanoma of the iris, interstitial keratitis, and cornea guttata are but a few examples. Another, contusion of the globe, with its consequent damage to

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