what
inflammation of conjunctiva
bacterial, viral, allergic
conjunctiva
thin layer of tissue that covers inside eyelids and sclera of eye
features
unilateral or bilateral red eyes bloodshot itchy discharge - purulent (bacterial), clear (viral)
no pain, photophobia, vision changes
DIfferentials - painless red eye
conjunctivitis
episcleritis
subconjunctival haemorrhage
differentials - painful red eye
glaucoma anterior uveitis keratinitis sceritis corneal abrasions/ulcers trauma foreign body
Mx
usually resolves w/o treatment
<1mo = urgent ophthalmology review
allergic - antihistamines, mast-cell stabilisers
neonatal conjuncitivitis
<1mo
need urgent ophthalmology review - can be assoc with gonococcal infection and cause sight loss