Can Wearing Old Contact Lenses Cause a Serious Eye Infection?
1. Introduction Yes, wearing old or expired contact lenses drastically increases the risk of developing a serious eye infection, such as microbial keratitis. Over time, contact lenses degrade structurally and accumulate microscopic tears, denatured protein deposits, and dense bacterial biofilms that actively attack the corneal surface. The cornea is a delicate, transparent tissue that relies … Read more