Abstract
Anisometropic amblyopia is a unilateral visual-acuity reduction secondary to suppression of a constantly blurred image in the eye with the greater uncorrected refractive error. The refractive error may be farsightedness (hyperopia), nearsightedness (myopia), and/or irregular curvature of the cornea (astigmatism). Children with anisometropic amblyopia have good visual acuity in one eye and usually have straight eyes. These factors, combined with peekingfrom under the occluder by the child during visual screening, may allow monocular reduced visual acuity to go undetected. Delay in diagnosis and treatment may result in an irreversible decrease in visual acuity. Other types of amblyopia will be discussed. Two cases are presented to illustrate these points. Suggestions for refining and improving basic screening technique will be made.
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