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Aetiology and treatment of acute bacterial infection of the external eye.
  1. D V Seal,
  2. S P Barrett and
  3. J I McGill


    The microbial flora of 738 patients with acute bacterial conjunctivitis, corneal ulceration, blepharitis, dacryocystitis, and discharging sockets has been investigated. Staphylococcus aureus, Streptococcus pneumoniae, and Haemophilus influenzae were the main pathogens isolated. Str. viridans was associated with conjunctivitis in patients aged under 1 year. moraxella sp. was isolated on only one occasion. Overall, 40% of specimens were associated with Staph. epidermidis or mixed skin flora, which also occurred with cultures of the normal eye. Clostridium welchii was isolated on 3 occasions but was not associated with bullae or gas gangrene. The least overall resistance, of 6%, was to chloramphenicol, but no one antibiotic was effective against all pathogens. Gentamicin remains the antibiotic of choice for Pseudomonas aeruginosa infection.

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