Contact lenses, while safe and effective for the vast majority of people, can cause a variety eye problems. Some are not too dangerous, such as giant papillary conjunctivitis, while others are more serious, such as corneal abrasions, inflammation or infection. When these complications are diagnosed and treated promptly, the results are typically quite good. However, corneal ulceration and scarring can occur and cause temporary or permanent poor vision. Rarely, contact lens wearers can develop a parasitic infection called acanthamoeba, which can be devastating.
Contact lenses, while safe and effective for the vast majority of people, can cause numerous eye problems such as giant papillary conjunctivitis, new blood vessels in the cornea, corneal abrasions, corneal swelling or infection.
Symptoms depend on the specific problem from none to mild foreign body sensation, itching, redness, decreased contact lens tolerance, mild to severe pain, light sensitivity, mild or severe decreased vision.
