In bacterial conjunctivitis and other superficial ocular infections caused by susceptible organisms, which include Escherichia coli, Haemophilus influenzae, Staphylococcus aureus (Micrococcus pyogenes), Streptococcus hemolyticus, Morax-Axenfeld bacillus. Prophylactically for abrasions of the cornea and following removal of foreign bodies from the cornea.