1. VISUAL ALTERATION
GLAUCOMA

2. 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)

3. 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

4. Diagnostic Tests
Tonometry
Perimetry
Gonioscopy
Optic nerve imaging