The Nightly Habit That Cost a Man His Sight: A Cautionary Tale for Contact Lens Users

At the Cincinnati Eye Institute, doctors diagnosed him with a severe eye infection caused by the bacterium Pseudomonas aeruginosa. This aggressive pathogen had taken hold beneath his contact lens, leading to a corneal ulcer—a painful open sore on the eye’s surface.

The Consequences of Overnight Contact Lens Wear

Groeschen’s habit of sleeping in his contact lenses, despite packaging claims that it was safe, was identified as the primary cause of his infection. While some