We report a case of Mycobacterium abscessus keratitis after elective laser in situ keratomileusis in a 19-year-old woman. The infection started 3 weeks after uneventful surgery, and the patient received multiple antimicrobial treatments without response. A corneal scrape isolate showed an acid-fast bacterium that was subsequently confirmed by culture to be M abscessus. Prompt treatment of oral moxifloxacin 400 mg twice daily and hourly topical amikacin 2.5% was started. Recovery occurred within the first week of treatment, with complete resolution 3 weeks after presentation. The final uncorrected distance visual acuity was 6/9. We comment on other reports of post-LASIK keratitis caused by M abscessus, the in vitro sensitivity to antibiotic agents described in the literature, and the use of oral moxifloxacin as a potential good alternative treatment based on its good ocular bioavailability, which in our case allowed resolution without the need for surgical intervention.
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