Contact lenses are worn by an estimated 45 million Americans. Improper care or wear, like going to sleep without removing your lenses, can lead to infections of the cornea like microbial keratitis, which can lead to serious health problems.
Six tales that should serve as warnings are the latest in a series on infections featured in the January issue of Annals of Emergency Medicine and developed through a partnership between the Centers for Disease Control and Prevention (CDC) and the EMERGEncy ID Net, an emergency department-based collaborative surveillance network. The CDC reports that an estimated 1 million annual outpatient and emergency visits were due to keratitis.
“Sleeping in your contact lenses is risky and can lead to infections, or in some cases, permanent damage,” said Jon Femling, MD, Ph.D., Assistant Professor, Department of Emergency Medicine, University of New Mexico School of Medicine and lead author. “Falling asleep, or even napping, without removing your contact lenses can significantly increase the likelihood of serious health problems.”
The Annals of Emergency Medicine commentary is based on a CDC Morbidity and Mortality Weekly Report titled, Corneal Infections Associated with Sleeping in Contact Lenses—Six Cases, United States, 2016-2018. The original authors are Jennifer R. Cope, MD, Nuadum Muriel Konne, MPH, Deborah S. Jacobs, MD, Deepinder K. Dhaliwal, MD, Michelle K. Rhee, MD, Jia Yin, MD, Ph.D., Thomas L. Steinemann, MD.
In one case, a man evaluated for eye redness and blurry vision reported sleeping in contact lenses 3-4 nights per week and swimming with them. He was treated for bacterial and fungal microbial keratitis.
Another instance outlines an adolescent girl who slept in lenses purchased without a prescription at a chain drug store. She developed a corneal ulcer that resulted in scarring.
A man who wore the same lenses for two weeks was diagnosed with a perforated cornea, bacterial infection and ultimately required a transplant to save his right eye.
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