Strabismus

Abstract
STRABISMUS, or misalignment of the visual axes, is a common condition, with a prevalence conservatively estimated to be 5 per cent.1 The esotropia of infancy and early childhood is responsible in most patients and is accompanied by loss of stereoscopic vision. Nearly all cases are also accompanied by amblyopia, or nonorganic visual loss in one eye.Some patients have traditionally been characterized as having amblyopia without strabismus and considered responsible for perhaps 1 per cent of the overall 5 per cent prevalence.1 Most such patients have anisometropia, a difference in refractive error between the eyes. Recent studies suggest that most . . .

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