A corneal foreign body is an object (metal, glass, wood, plastic, sand) either superficially adherent to or embedded in the cornea of the eye (see the image below). The removal of a corneal foreign body is a procedure commonly performed in the clinic or emergency department setting unless doctors are properly trained to perform this procedure. If corneal foreign bodies are not removed in a timely manner, they can cause prolonged pain and lead to complications such as infection and ocular necrosis.