Özet:

Bacillus cereus is a gram-positive basic, which can be sports, aerobic or facultative anaerobic, found in abundant amounts of air and soil. Bacterial keratitis is a bacterial infection disease characterized by inflammation and tissue destruction that develops as a result of the bacterial infection of the cornea. B.cereus is very rarely a keratitis factor but can cause infections that cause rapid vision loss by creating favourite destructive effects. Here, the use of contact lens, ocular surface diseases, cornea trauma, the use of immunosuppressant drugs, postocular surgery and cornea infection constitute risk factors for bacterial keratitis. In this case presentation is presented the phenomenon of keratitis occurring in the patient using a contact lens contaminated with B.cereus. When the literary data is studied, it is believed to be the first incident of keratitis from B.cereus from Turkey.The 28-year-old woman who applied to the hospital's eye clinic with a feeling of swelling in the left eye, pain and swelling, and using contact lenses, was not able to remove the lens while sleeping at night and was hit while the contact lens was in the eye about a month ago.The lens solution and eye-tracking material were sent to the microbiology laboratory for cultural purposes.The next day the bacterium was identified with the mass spectrometry (VITEK MS, bioMérieux, France) and the bacterium was found to be B.cereus.®Topical moksifloksacin eye drops (5X1), artificial tears per hour and eye powder (2X1) and 10 days after treatment, the patient found that keratitis was completely healed.

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