He went blind because of a simple mistake we all make every night! Groeschen, 39, lost his sight after sleeping with his contact lenses on, which caused a bacterial infection called Pseudomonas.

Despite treatment, the infection led to a corneal ulcer and permanent vision loss in his eye. Doctors warn against overnight contact lens wear, as it increases the risk of eye infections. Groeschen’s case highlights the importance of proper lens care to avoid serious complications.