[Practical assessment. Clinical evaluation of normal-tension glaucoma].
Normal-tension glaucoma is a form of primary open-angle glaucoma where the intraocular pressure remains within the normal range. The progression of the disease is usually very slow. The main challenge is to establish the correct diagnosis, with a double risk: the patient might have undetected (and untreated) high intraocular pressure or, the patient might have a nonglaucomatous (possibly treatable) disease looking as a glaucomatous optic neuropathy. The clinical evaluation of the patient suspected of a normal-tension glaucoma must answer two questions: 1) is the intraocular pressure normal?, 2) is it a glaucomatous optic neuropathy or another type of optic neuropathy?
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Institut du glaucome, Fondation Hôpital Saint-Joseph, 185, rue Raymond Losserand, F-75014 Paris.
D003937:Diagnosis, Differential; D005901:Glaucoma / Q000175:diagnosis* / Q000503:physiopathology*; D006801:Humans; D007429:Intraocular Pressure