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A 45-year-old member asked:

Please help! what is the differance between a corneal erosion and a corneal abrasion?

1 doctor answer1 doctor weighed in
Dr. Richard Bensinger
Ophthalmology 52 years experience
Different cause: Both of these cause defects on the corneal surface. Abrasions usually are caused by trauma of some sort, while erosions are usually metabolic and caused by infection, underlying disease, etc. Abrasions usually heal rapidly and spontaneously while erosions commonly require medication and the treatment of the underlying condition.

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A 28-year-old member asked:

What is the difference between a corneal erosion and a corneal abrasion?

2 doctor answers3 doctors weighed in
Dr. Robert Kwok
Pediatrics 33 years experience
Erosion is deeper: Corneal abrasion is a scratch that damaged the top layer of cells on the cornea. Often after a doctor checks it, antibiotic drops are used, and the abrasion heals in 1-2 days without a scar. A corneal erosion or ulcer is a deeper injury, beyond the top layer of cells. The eye doctor will see damage to a deeper layer in the cornea. Stronger, more frequent antibiotics are used, and a scar may form.

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Last updated Jun 28, 2021
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