Contact lens-associated infectious keratitis in Thailand
Aim: To evaluate the clinical characteristics, risk factors, management, and outcome of infectious keratitis associated with contact lens wear. Methods: The study comprised all consecutive patients presenting with contact lens-related presumed microbial keratitis during a 5-year period. Detailed dem...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
2014
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| Online Access: | http://www.scopus.com/inward/record.url?eid=2-s2.0-37249071891&partnerID=40&md5=a96043b2b2f64b6fc546fa1a0ce63089 http://cmuir.cmu.ac.th/handle/6653943832/2126 |
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| Institution: | Chiang Mai University |
| Language: | English |
| Summary: | Aim: To evaluate the clinical characteristics, risk factors, management, and outcome of infectious keratitis associated with contact lens wear. Methods: The study comprised all consecutive patients presenting with contact lens-related presumed microbial keratitis during a 5-year period. Detailed demographic data, type of contact lens, risk factors, clinical findings, microscopic profile, treatment, and final visual outcome were evaluated. Results: Thirty six patients had contact lens-associated bacterial keratitis; 30 patients used daily-wear soft lenses, 4 used extended-wear soft lenses, and 2 used hard lenses. Pseudomonas aeruginosa was isolated in 38.8% of patients and Staphylococcus aureus in 13.8%; β-haemolytic Streptococcus, Serratia marcescens, and Staphylococcus epidermidis were also common pathogens. The risk for keratitis due to overnight contact lens wear was 33.3%. Twenty six patients (72.2%) presented with initial visual acuity of 6/36 or worse. Visual acuity following treatment improved for 13 patients (36.1%). Conclusion: Contact lens-associated keratitis was seen most frequently in patients using daily-wear soft contact lenses. Pseudomonas aeruginosa was the most commonly encountered causative agent. Overnight contact lens wear is a major risk factor for keratitis among contact lens wearers. Therefore, overnight wear should be avoided. © 2007 Scientific Communications International Limited. |
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