Corneal abrasions

Question 1

How do corneal abrasions present?

Answer 1

Red eye
Pain
Photophobia
Epiphora
Foreign body sensation
Blurry vision

Question 2

Causes of corneal abrasion?

Answer 2

Contact lenses
Fingernails
Foreign bodies
Makeup
Entropion

Question 3

How to treat corneal abrasions caused by chemicals?

Answer 3

Extensive irrigation and ophthalmology input

Question 4

Contact lens induced corneal abrasion is usually associated with what bacteria?

Answer 4

Pseudomonas

Question 5

Diagnosis of corneal abrasion

Answer 5

Fluroscein stain under blue cobalt light to locate the abrasion
Stains yellow-orange

Question 6

Management of corneal abrasions

Answer 6

Remove foreign bodies
Paracetamol
Lubricating eye drops
Antibiotic eye drops (chloramphenicol)

Question 7

What lubricating eye drops are available and discuss the viscosity levels for each?

Answer 7

Hypromellose - least viscous, lasts 10 minutes
Polyvinyl alcohol - moderately viscous
carbomer drops - most viscous, lasts 30-60 min