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

The most frequent reason for lens discontinuation, causing stinging, burning, or a "gritty" sensation. Contact Lens Complications

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

Infectious keratitis (inflammation of the cornea) is the most dangerous complication and can lead to permanent vision loss. Often caused by Pseudomonas aeruginosa or Staphylococcus ,

An inflammatory reaction where small bumps (papillae) form under the upper eyelid, often due to lens deposits or mechanical rubbing.

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

A rare but severe parasitic infection often found in tap water, hot tubs, or swimming pools. It is notoriously difficult to treat.