Fig. 3. Susceptibility of the most common gram-positive (A) and gram-negative bacteria (B) to ofloxacin, ciprofloxacin, and norfloxacin. (StA, Staphylococcus aureus; StE, Staphylococcus epidermidis; StrP, Streptococcus pneumoniae; VStr, Streptococcus viridans; Csp, Corynebacterium species; EF, Enterococcus faecalis; HI, Haemophilus influenzae; PS, Pseudomonas aeruginosa; SM, Serratia marcescens; KP, Klebsiella pneumoniae; KL, Klebsiella oxytoca; PM, Proteus mirabilis; EC, Escherichia coli; ECl, Enterobacter cloacae). (Jensen HG, Felix C. In vitro antibiotic susceptibilities of ocular isolates in North and South America. Cornea 1998;17:79)