The condition or tendency of the eye to turn outward; another term for exotropia.
From 'exotropic' + '-ism' (a condition or practice). The '-ism' suffix indicates a state, practice, or system, making it a more abstract term than exotropia.
Medical professionals often use '-ism' versions of conditions to emphasize the tendency or systemic nature—exotropism suggests the eye has a persistent outward-turning tendency.
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