A condition where one or both eyes turn outward (away from the nose), making it difficult for the eyes to focus together on the same object.
From Greek 'exo-' (outward) + 'tropos' (turning) + '-ia' (condition). Medical terminology combining direction-of-gaze descriptors to name eye alignment disorders.
Exotropia is sometimes called 'wall-eyed' and is actually more common in children than the opposite condition (esotropia); many kids outgrow mild cases naturally as their eye muscles strengthen.
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