amblyopia

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Related to amblyopic: lazy eye, Lazy eye syndrome

amblyopia

[am′blē′ōp·ē·ə]
(medicine)
Dimness of vision, especially that not due to refractive errors or organic disease of the eye; may be congenital or acquired.
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The effect of occlusion therapy (patching the stronger eye) in amblyopic patients on CSF is controversial.
The age, gender, presenting visual acuity, amblyopic eye, refractive error in the amblyopic eye and the final visual acuity were noted down ( Table-1).
Primate models of amblyopic have repeatedly shown the primary visual cortex (area VI) to be dysfunctional.
Very close to our results, Gracia et al., [21] found 80% unilateral amblyopia and 100% anisometropia in their amblyopic cases, in comparison to 100% and 75% in our study, respectively.
Caption: Figure 4 The pattern VEP from a normal eye (top) and an amblyopic eye (bottom).
Results: In both myopic and hyperopic patients, the absolute value of the mean spherical equivalence was significantly greater in the amblyopic than non-amblyopic eyes, and the mean BCVA was significantly less in the amblyopic than the non-amblyopic eyes.
Patients undergoing occlusion therapy should be reviewed at approximately eight- to 12-week intervals to monitor the progress of vision in the amblyopic eye.
Patients with anisometropic amblyopia tend to have abnormal monocular visual functions in the amblyopic eye [4], abnormal interocular suppression (i.e., the inhibitory influence of the fixing eye on the amblyopic eye under binocular viewing), as reflected by an abnormal sensory eye dominance, and poor stereopsis [5].
In these cases, overaction is generally greater in the non-fixating, amblyopic eye, though a very small, even imperceptible amount may be found in the fixating eye.
There was no significant difference in comparison with means for the Zernike coefficients between normal and amblyopic eye.
High-contrast elements are seen by the amblyopic eye while low-contrast elements are seen by the other eye, and high-contrast background elements are shown to both eyes.
Besides a full ophthalmological and orthoptic evaluation, the study included microperimetry assessment of the fixation pattern of the amblyopic eye before and after surgery.