What can lead to corneal ulcers?

Corneal ulcers, which are open sores on the cornea, can be caused by various factors, and secondary infections following contact lens use is a significant cause. When contact lenses are not used or cared for properly, they can create a favorable environment for bacteria, fungi, or other pathogens to invade the cornea. This can lead to an infection, which, if it progresses, can result in the development of a corneal ulcer.

The risk of corneal ulcers is especially heightened in cases where contact lenses are worn overnight, are contaminated, or are not replaced according to recommended guidelines. Symptoms of a corneal ulcer may include pain, redness, tearing, and impaired vision. Prompt treatment is essential to prevent complications that could lead to vision loss.

Other factors, although they might impact eye health, do not directly cause corneal ulcers the way contact lens-related infections do. Thus, understanding the role of proper contact lens hygiene is crucial for preventing this serious condition.