Acute Angle Closure Glaucoma

Question 1

What is the pathophysiology of AACG?

Answer 1

There is a rise in IOP due to an impairment of aqueous outflow.

Question 2

What are some factors that predispose to AACG?

Answer 2

• Hypermetropia (Long-sightedness)
• Pupillary dilatation
• Lens growth associated with aging

Question 3

What are some features of AACG?

Answer 3

• Severe pain: may be ocular or headache
• Decreased visual acuity
• Symptoms worse with mydriasis (e.g. watching TV in a dark room)
• Hard, red eye
• Haloes around lights
• Semi-dilated non-reacting pupil
• Corneal oedema results in dull or hazy cornea
• Systemic upset may be seen, such as nausea and vomiting and even abdominal pain

Question 4

How is it managed?

Answer 4

An urgent referral to opthalmologist.