Staph. aureus, Strep. pyogenes, Strep. pneumonia, Haemophillus spp., Moraxella catarrhalis
Chloramphenicol 0.5% eye drops - 2 hourly for 2 days then reduce frequency to 3-4 times daily. Continue for 48 hours after resolution
Chloramphenicol 1% eye ointment - apply at night
Fusidic acid 1% eye drops has less gram negative activity and should be used second line if sensitivities support use.
Remove contact lenses until all symptoms and signs of infection have resolved and treatment complete for 24 hours