Contact Lens Complications May 2026

Many complications are related to the mechanical presence of the lens or a lack of oxygen (hypoxia) reaching the eye.

Swelling of the cornea, typically due to a lack of oxygen from overwearing lenses or a poor fit.

Infectious keratitis (inflammation of the cornea) is the most dangerous complication and can lead to permanent vision loss. Contact Lens Complications

Contact lens complications range from mild irritation to sight-threatening infections. While lenses are generally safe, they interact directly with the cornea, potentially disrupting its oxygen supply and natural defenses. Common Non-Infectious Complications

If you experience any of these symptoms, remove your lenses immediately and consult an eye care professional: Many complications are related to the mechanical presence

Contact Lens–Related Complications - StatPearls - NCBI - NIH

Often caused by Pseudomonas aeruginosa or Staphylococcus , frequently linked to poor hygiene or sleeping in lenses. Contact lens complications range from mild irritation to

A scratch on the cornea's surface caused by a damaged lens, trapped foreign bodies, or improper handling.