Quiz: Corneal Ulcer
Question 1 of 3  

A corneal ulcer is an eye infection that causes an open sore on the cornea (the clear layer in front of the iris and pupil). A common cause of a corneal ulcer is bacterial or viral infection. However, another cause can be injury. Which of the following injuries is the most common cause of a corneal ulcer?  

  • A.

    Foreign object lodged in the eye

  • B.

    Irritation from a contact lens


  • C.

    Scratch from a foreign object

  • D.

    Severe dry eyes


Am I correct?