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VISUAL ALTERATION. GLAUCOMA. ASSESSMENT. Glaucoma: intraocular fluid pressure(IOP) Population at risk: >40 yr. old; black > white, medical history Types -Primary open-angle glaucoma (POAG) -Angle closure glaucoma (acute glaucoma closed-angle glaucoma).
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VISUAL ALTERATION • GLAUCOMA
ASSESSMENT • Glaucoma: intraocular fluid pressure(IOP) • Population at risk: >40 yr. old; black > white, medical history • Types -Primary open-angle glaucoma (POAG) -Angle closure glaucoma (acute glaucoma closed-angle glaucoma)
Clinical Manifestations • Primary open-angle glaucoma -gradual onset -optic disc changes -peripheral visual field changes • Closed-angle glaucoma -sudden onset of symptoms -pain -nausea and vomiting -colored halos around lights -other vision changes
Diagnostic Tests • Tonometry • Perimetry • Gonioscopy • Optic nerve imaging