Differential diagnosis of acute red eye

Question 1

How can you categorise the differentials of acute red eye?

Answer 1

• Painless

- Painful

Question 2

What are the causes of painless red eye?

Answer 2

• Conjunctivitis
• Subconjunctival haemorrhage
• Episcleritis

Question 3

What are the causes of painful red eye?

Answer 3

• Acute angle closure glaucoma
• Anterior uveitis
• Scleritis
• Keratitis (herpes)
• Corneal abrasions