Primary open angle glaucoma Flashcards
1
Q
Primary open angle glaucoma
A
- increased resistance to aqueous humour outflow
- raised IOP can lead to retinal ganglion cell death > vision loss
- iridocorneal angle open
2
Q
Primary glaucoma risk factors
A
- myopia
- increasing age
- family history
- Afro-Caribbean
- ocular hypertension
- cardiovascular disease
- type II diabetes
3
Q
Primary glaucoma presentation
A
- loss of peripheral vision
- usually in superior visual field first
- visual field defects
- increased intraocular pressure
- cupping of optic disc
4
Q
Primary glaucoma investigations
A
- ophthalmoscopy or slit lamp
- gold standard - Goldmann tonometry
- gonioscopy - open drainage angle
5
Q
Primary open angle glaucoma management
A
- 360° selective laser trabeculoplasty
- prostaglandin analogue - latanoprost
- beta blocker - timolol (eye pain, blepharitis, conjunctivitis, bradycardia, N&V, heart failure, bronchospasm)
- trabeculectomy, shunt insertion
