What is a major complication of contact lens wear?

What is a major complication of contact lens wear?

• A. Bacterial keratitis only
• B. Allergic conjunctivitis
• C. Keratitis, including bacterial and Acanthamoeba keratitis
• D. Contact dermatitis

Answer: (C)

The main issue tested is the risk of corneal infection when wearing contact lenses. Contact lenses can introduce microbes to the cornea, making keratitis a major complication. This includes both bacterial keratitis and Acanthamoeba keratitis. Bacterial keratitis is a common and potentially vision-threatening infection, while Acanthamoeba keratitis is less common but often more difficult to treat and can cause significant visual loss. Other problems like allergic conjunctivitis or contact dermatitis can occur with lens wear, but they are inflammatory or skin reactions rather than the serious corneal infections that keratitis represents. So the best answer is the broad category of keratitis, which covers both bacterial and Acanthamoeba keratitis.

The main issue tested is the risk of corneal infection when wearing contact lenses. Contact lenses can introduce microbes to the cornea, making keratitis a major complication. This includes both bacterial keratitis and Acanthamoeba keratitis. Bacterial keratitis is a common and potentially vision-threatening infection, while Acanthamoeba keratitis is less common but often more difficult to treat and can cause significant visual loss. Other problems like allergic conjunctivitis or contact dermatitis can occur with lens wear, but they are inflammatory or skin reactions rather than the serious corneal infections that keratitis represents. So the best answer is the broad category of keratitis, which covers both bacterial and Acanthamoeba keratitis.