A 20-year-old man developed keratitis in his right eye 2 days after laser in situ keratomileusis (LASIK). The patient had rubbed the eye with unclean fingers the night before the onset of symptoms. Examination showed an inferior corneal ulcer with dense infiltration at the junction of the lamellar flap and the surrounding cornea associated with a hypopyon. Streptococcus pneumoniae was isolated on culture. The ulcer resolved with combination therapy of cephazolin 5% and tobramycin 1.3% eyedrops. Patients having LASIK should be instructed that inadequate patient hygiene may predispose to bacterial keratitis.
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Dada et al. (2000) studied this question.
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