Corneal Abrasions

Question 1

What are some common causes of corneal abrasions?

Answer 1

1. Contact lenses
2. Foreign bodies
3. Fingernails
4. Eyelashes
5. Entropion

Question 2

Which infection are contact lens corneal abrasions usually associated with?

Answer 2

Pseudomonas

Question 3

What is an important differential diagnosis when considering corneal abrasions?

Answer 3

Herpes keratitis

Question 4

What is the typical presentation for corneal abrasions?

Answer 4

1. History of contact lenses or foreign body
2. Painful red eye
3. Foreign body sensation
4. Watering eye
5. Blurring vision
6. Photophobia

Question 5

What are the diagnostic tools for corneal abrasions?

Answer 5

1. Fluorescein stain - yellow/orange colour collects in abrasions.
2. Slit lamp examination may be used in more significant abrasions.

Question 6

What is the treatment for corneal abrasions?

Answer 6

1. Simple analgesia (paracetamol)
2. Lubricating eye drop to improve symptoms.
3. Antibiotic eye drops (chloramphenicol)
4. Check again after 1 week
5. Cyclopentolate dilate pupil and improve significant symptoms.

Question 7

How long does it take uncomplicated corneal abrasions to heal?

Answer 7

2-3 days