Strabismus is a misalignment of the eyes by which they focus improperly on objects and double vision (diplopia) occurs. Cross-eye (esotropia) involves one
eye looking at an object and the other turning inward. In walleye (exotropia), the deviated eye turns outward. Children with
Strabismus usually subconsciously suppress the image arising from the deviating eye; eventually, this eye becomes "lazy." Temporary treatment consists of placing a patch over the other eye to force the use of the weak eye; glasses or surgery may
eventually be necessary.
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