Corneal Abrasion

The cornea is the clear covering at the front and center of the eye. When looking at the colored portion (iris) of the eye, you are looking through that person's cornea.

This very thin tissue is made up of many layers. The surface layer is a single layer of cells called the corneal epithelium. This is one of the most sensitive tissues in the body. If a scratch or injury causes the corneal epithelium to come off, it is called a corneal abrasion. If the injury extends to the tissues below the epithelium, the condition is called a corneal ulcer.

CAUSES

SYMPTOMS

DIAGNOSIS

Your eye professional can diagnose a corneal abrasion during an eye exam. Dye is usually placed in the eye using a drop or a small paper strip moistened by the patient's tears. When the eye is examined with a special light, the abrasion shows up clearly because of the dye.

TREATMENT

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