Ophthalmology Flashcards
1
Q
Ddx of red and tender eye
A
Probability: conjunctivitis (bacterial, adenovirus or allergic)
Serious do not miss:
- acute glaucoma
- uveitis (iritis, choroiditis)
- corneal ulcer
- herpes simplex keratitis
- penetrating injury
- orbital cellulitis
Pitfalls
- foreign body or trauma
- scleritis / episcleritis
- Blepharitis
2
Q
DDx: Sudden, painless unilateral loss of vision in an adult
A
- Giant cell arteritis (so should order urgent ESR and CRP)
- Central or branch retinal artery occlusion
- Nonarteritic ischaemic optic neuropathy
- Retinal detachment
- Central or branch vein occlusion
- Vitreous Haemorrhage
3
Q
Ddx of flashing lights in vision
A
Retinal detachement
Posterior vitreous detachement
Migraine
4
Q
Four causes of gradual vision loss
A
- Cataracts
- Diabetic Retinopathy
- Open angle glaucoma
- Age-related macular degeneration
5
Q
Six causes of sudden visual loss
A
- Temporal arteritis (GCA)
- Branch Retinal Vein Occlusion
- Central Retinal Artery Occlusion
- Optic Neuritis
- Amaurosis Fugax
- Retinal Detachment
