Answer:
Herpes simplex virus 1
Explanation:
Keratitis is the inflammation of the cornea in eyes (that cover pupil and iris). Sign of the keratitis includes: eye pain, eye redness, sensitivity to light, decreased vision, difficult to open eyelids because of pain etc.
Herpes simplex virus 1 is also known as HSV. It is a common viral infection that affecting the eyes. this type of virus can cause inflammation of the cornea. It can be transmitted through close contact with the infected person.
