There are 2 types of glaucoma:
- acute = closed angle glaucoma
 - chronic = open angle glaucoma
 
Acute closed angle glaucoma
Acute closed angle glaucoma presents as:
- pain
 - decreased visual acuity
 - worsening of pain with mydriasis
 - hard, red eye
 - halos around lights
 - semi-dilated, non-reactive pupil
 - pt systemically unwell
 
Risk factors for closed angle glaucoma include hypermetropia and pupillary dilation.
Management is:
- urgent opthalmic review
 - IV acetazolamide (a carbonic anhydrase inhibitor; decreases aqueous secretions)
 - topical pilocarpine (constricts pupil)
 
Open angle glaucoma
This affects 2% of over 40s.
Risk factors include:
- family history
 - black
 - myopia
 - hypertension
 - diabetes
 
Features include:
- peripheral field loss
 - decreased visual acuity
 - optic disc cupping
 
Treatments include:
- eye drops (beta blockers or prostaglandins)
 - possibly surgery.
 
Now to our final battle of the day, autonomic neuropathy