Corneal abrasion
Corneal Abrasion
Corneal abrasion (/kɔːrˈniːəl əˈbreɪʒən/) is a medical condition involving an injury to the cornea, the clear front surface of the eye.
Etymology
The term "corneal abrasion" is derived from the Latin cornea, meaning "horny", due to the tough, protective nature of the cornea, and the English abrasion, meaning "to scrape or wear away", referring to the nature of the injury.
Definition
A corneal abrasion is a scratch or scrape on the cornea. This can occur from foreign objects, contact lenses, or fingernails. It is one of the most common eye injuries and can cause significant discomfort and disruption to vision.
Symptoms
Symptoms of a corneal abrasion include pain, redness, light sensitivity, and a feeling like there is something in the eye. In some cases, it can also cause blurred vision or a headache.
Treatment
Treatment for a corneal abrasion typically involves the use of antibiotic eye drops or ointment to prevent infection, and pain medication to manage discomfort. In some cases, a patch may be used to protect the eye while it heals.
Related Terms
External links
- Medical encyclopedia article on Corneal abrasion
- Wikipedia's article - Corneal abrasion
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