Corneal Abrasion


Trauma including scraped, scratched and torn surface of the cornea, which may be caused by laser eye surgery, other eye procedures, finger nails, a tree branch, rubbing of eyes, glass or even contact lenses.  Usually the epithelium is damaged but the Bowman's membrane may also be damaged if it is a deep trauma. Damage can be extremely painful as the cornea contains many nerve endings.  Symptoms include red eyes, pain, blurred vision, tearing, light sensitivity or the feeling that there is a foreign body in the eye.  Typically the cornea takes between 24 to 48 hours to heal and damage is not usually permanent. 

Treatment

The eye may be patched to prevent a blinking eyelid from touching the wounded area.  Antibiotics eye drops may be prescribed.  These form a smooth layer between the eyelid and the wound as well as helping to fight any infection.  Eye drops may also be given to dilate the pupil to reduce any pain due to light sensitivity.  If damage is severe, vision may remain blurry for several weeks.  Even after the eye surface has healed, the eye may still be sensitive to wind and dust.  Extra lubrication may be helpful until the sensitivity has completely disappeared.  The healing process may be slowed down by diseases such as dry eye and diabetes.

Corneal abrasions should be avoided by taking particular care when using objects near the eyes and wearing protective eyewear.  Children’s fingernails should be kept short and smooth. 



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