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Corneal Interface Contamination during Laser in situ Keratomileusis
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Mostafa Naderi *   , Khosro Jadidi , Shahab Shahverdi , Parviz Rafiezadeh , Vahid Nourian |
| , ophthalmology110@yahoo.com |
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Abstract: (12020 Views) |
| Background and Aim: Post-LASIK infection is a life threatening condition. The present study was conducted to measure the rate of corneal interface contamination during laser in situ keratomileusis (LASIK), determine probable sources of the contamination, and evaluate how the cornea reacts to the contamination. Material and Methods: In this case series, 200 eyes were evaluated for the corneal interface contamination at the end of LASIK. Cultures were obtained from the upper and lower eyelid margins and the inferior fornices before surgery and from the corneal interface and the instrument at the end of surgery. Media were cultured at 37°C for 14 days under aerobic and anaerobic conditions. Bacteria from positive cultures were isolated and identified by biochemical procedures to determine the species of the organisms. Results: The rate of contamination was 24.5%. The most common retrieved organism was Staphylococcus epidermidis (43 cases, 87.7%). None of the contaminated or non-contaminated cases developed corneal ulcers however, 2 eyes developed diffuse lamellar keratitis. Conclusion: The corneal stroma has the ability to clear introduced microorganisms during LASIK. |
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| Keywords: LASIK, Corneal interface, Contamination |
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Full-Text [PDF 134 kb]
(2286 Downloads)
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Type of Study: Original |
Subject:
Paramedicine
Received: 2017 | Accepted: 2017 | Published: 2017
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