Definition & Etiology

Definition

Misalignment of eyes Types:

• Esotropia: inward movement
• Exotropia: outward movement
• Hypertropia: upward movement
• Hypotropia: downward movement

Prevalence

Common in children

Etiology

• Usually idiopathic
• Refractive errors (hypermetropia)
• Amblyopia
• Congenital cataracts
• Retinoblastoma
• Neurodevelopmental issues
• Brain lesions
• Cranial nerve palsies (III, IV, VI)
• Eye muscle issues