differentials of red eye

Question 1

what three illnesses must be rule out

Answer 1

angle closure glaucoma, anterior uveitis, scleritis

Question 2

questions to ask

Answer 2

is acuity affected, is eye painful, are reflexes affected

Question 3

sight-threatening differentials of red eye

Answer 3

acute angle closure glaucoma, corneal ulcer, infectious keratitis, scleritis, endophthalmitis, hyphema, uveitis, retinal detachment, orbital cellulitis, acute retinal ischaemia, acute optic neuritis, ocular tumours

Question 4

non-sight-threatening conditions

Answer 4

subconjunctival haemorrhage, conjunctivitis, dry eye syndrome, pinguecula, corneal abrasion, iritis, episcleritis, contact lens related infection, foreign body, chemical exposure, sub-tenon’s haemorrhage