• Inflammation of the episclera
• Episcleritis is typically focal (as pictured above it only effects one side of the eye)
• usually self-limiting and spontaneous regression occurs after 1-2 weeks. But recurrent bouts may occur every 1-3 months.

Demographics:

• Mean age: ~45
• Women > Men
• Unilateral in 70% of cases

Etiology:

• Most commonly idiopathic
• Can be associated with underlying systemic disease (most commonly rheumatoid arthritis)
• Less commonly caused by bacterial/viral infections and drug reactions (bisphosphonates)

Clinical Features:

• Acute onset
• Mild eye pain/irritation and watering
• Red eye
• Vision unaffected