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Risk factors for contact lens associated microbial keratitis
Barry A Weissman1, Bartly J Mondino
1Jules Stein Eye Institute, Department of Ophthalmology, CLA School of Medicine, University of California, Los Angeles, CA 90095-7003, USA. weissman@jsei.ucla.edu
Contact lens wear can lead to serious microbial keratitis, but understanding risk factors like extended wear and poor hygiene can prevent vision loss. This analysis identifies key factors to improve contact lens safety.
Area of Science:
- Ophthalmology
- Microbiology
Background:
- Microbial keratitis is a serious complication of contact lens wear.
- The risk is low, but potential vision loss necessitates understanding contributing factors.
Purpose of the Study:
- To analyze identified risk factors for contact lens-induced microbial keratitis.
- To provide insights for practitioners to enhance patient safety.
Main Methods:
- Review and analysis of established risk factors for microbial keratitis.
- Identification of patient-related and lens-related risk factors.
Main Results:
- Key risk factors include extended wear, hypoxia, non-compliance, blepharitis, diabetes mellitus, epithelial trauma, steroid use, therapeutic lens use, and tobacco use.
- Travel to warm climates may also be a risk factor.
Conclusions:
- Awareness of these risk factors is crucial for eye care practitioners.
- Educating patients and optimizing contact lens practices can minimize the risk of microbial keratitis and preserve vision.
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