anisometropic amblyopia

an·i·so·me·tro·pic am·bly·o·pi·a

a suppression of central vision resulting from an unequal refractive error (anisometropia) of at least 2 diopters. This induces a sufficient difference in image size (aniseikonia) that the two images cannot be fused. To avoid confusion, the blurrier image is suppressed.
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They concluded 'following a sequential management plan for treatment of anisometropic amblyopia can yield substantial long-lasting improvement in visual acuity and binocular function for patients of any age.
The results of large-scale studies seem to indicate that strabismic amblyopia responds just as well to treatment when compared to anisometropic amblyopia.
Risk factors for treatment failure of anisometropic amblyopia.
28) In one study, the prevalence of anisometropic amblyopia was found to rise rapidly after two years of age.
For orthotropic anisometropic amblyopia a literature review indicates that the condition can be treated, at any age.
He highlighted the importance of prescribing spectacles first with anisometropic amblyopia patients showing 91% improvement in the first four months of wearing spectacles.
As a general rule, professor Evans recommended starting all anisometropic amblyopia patients on 18 weeks of refractive correction, followed by 12 weeks of part time occlusion if required, followed by 12 weeks of full time occlusion if vision was still significantly reduced (two lines lower than the good eye is a common and acceptable outcome).
There are some important differences between anisometropic amblyopia and strabismic amblyopia, particularly concerning management.
In anisometropic amblyopia, it is necessary to correct the full degree of anisometropia.
As already noted, there are some differences between the management of orthotropic anisometropic amblyopia and strabismic amblyopia.
About one third of 3-7 year-old children with previously untreated anisometropic amblyopia demonstrated resolution of amblyopia with spectacle wear in the PEDIG (2006a,b) studies.
a) An 8-year-old child with anisometropic amblyopia