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Editor's note: This month we welcome Dr. Pewitt as our "Therapeutic Review" columnist. Dr. Pewitt practices with the Veterans Affairs Healthcare System in San Diego.
As comanaging doctors for cataract and refractive surgery, optometrists must be skilled in the use of topical antibiotics to prevent infections, treat those that occur and avoid overtreating. Here, we'll offer some guidelines for comanaging patients.
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Cataract Patients
The incidence of ocular infection following cataract surgery ranges from 0.05% to 0.5%. (1) About 85% of bacterial endophthalmitis isolates are Gram-positive, and 15% are Gram-negative. (2), (3) The most commonly isolated organisms are coagulase-negative Staphylococci (CNS) and Staphylococcus aureus. Less common isolates are Corynebacterium acnes, Micrococcus species, and Gram-negative rods including Pseudomonas aeruginosa. (4)