Unit 6: Differential Diagnosis of Blurred Vision
Acute Angle Closure Glaucoma
Angle closure glaucoma usually presents with acute, painful loss of vision. It is caused by an acute elevation of intraocular pressure (IOP).
Symptoms
- Unilateral loss of vision (can be 6/36 or worse)
- Halos around lights
- Unilateral red eye
- Painful eye
- Nausea and vomiting
- Can be asymptomatic
- May have had previous intermittent symptoms
Signs
- Reduced visual acuity
- Corneal oedema
- Raised intraocular pressure
- Oval unreactive pupil
- Hypermetropia
