Question

Choose the true statement(s) about keratitis. To be marked correct, you'll need to select all true statements, as there may be more than one correct answer.

Keratitis is severe inflammation of the cornea.

Protozoan keratitis is caused by Acanthamoeba

Keratitis is less serious than conjunctivitis and does not warrant medical attention.

Keratitis can be caused by viral, bacterial, fungal, and parasitic species.

Answer 1

Statements 1, 2 and 4 are correct. Statement 3 is incorrect.

Explanation:

Keratitis is basically caused by infection of a bacteria or virus or fungi and other parasites or even by wearing contact lenses for too long, resulting in severe inflammation of cornea, which is a clear tissue on front of the eye.

Even protozoans like acanthamoeba can invade the cornea of the eyes rarely from infected soil or water and cause acanthamoeba keratitis. It can even infect skin and CNS. Its a vision threatening infection if left untreated.

Though it can be treated very easily within a week but it definitely requires medical attention. Initial symptoms include pain, redness and blurred vision but if ignored may result into permanent loss of vision.