Corneal Abrasions

Question 1

What are Corneal abrasions

Answer 1

Damage to the corneal epithelium
*localized loss
*exposes basement membrane or connective tissue (Stroma)

Question 2

What are some causes of corneal abrasions

Answer 2

1. FB
2. Fingernails
3. Contact lenses

Question 3

What are the signs of corneal abrasions

Answer 3

1. Sudden severe pain
2. FB sensation
3. Tearing
4. Photophobia
5. Excessive squinting
6. Sensitivity to light
7. Injection of conjunctiva

Question 4

What needs to happen if a patient comes in with a corneal abrasion?

Answer 4

Urgent referral for ophthalmology consolation
1. FB removal
2. Damaged cornea: abx ointment
3. Short acting cycloplegic

Question 5

What should you avoid when having a corneal abrasion?

Answer 5

1. Topical anesthetics (may cause ulcer)
   *decreases healing absence of normal blink reflex exposes once a to injury
2. Reading, watching TV

Question 6

How long does it take for an abrasion to resolve

Answer 6

Within 48 hours
*abrasions can become ulcers