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I can understand your concern here regarding your son's vision. But let me briefly explain a few things here which could perhaps help you to understand his situation better. As you must be aware already , his refractive error is responsible for the amblopia.there was no indication this child had ANY visual problems-
a child of 3 years is unlikely to be symptomatic as in myopia the distance vision alone is reduced while the near vision is good. Moreover with both eyes being myopic, it could not have got noticedWhat is the average time that 100% visual correction (with glasses) takes?
Amblyopia sets in within 10-12 years of age . If the underlying cause of the amblyopia is corrected within this age along with treatment of the amblyopia , then the vision gets restored completely. So it is crucial for your son to constantly wear his glasses till 12 years . Beyond this age if amblyopia is cured then it is not likely to recur.But chances are that his refractive error would persist and he might need correction for the same. In adulthood he has other options of contact lenses
or even laser treatment such as Lasik
.Can the glasses help improve his vision without glasses?
No, glasses would not improve vision without glasses but are essential for the treatment of amblyopia. He might even need patching of one eye ( better eye ) intermittently till both eyes have the same vision.
I am glad that you took him to a pediatric ophthalmologist
and got the problem detected early.I am sure that his amblyopia will get corrected and his vision will be normal soon even if it means he has to wear glasses in future. Amblyopia if uncorrected is irreversible beyond 12 years of age ( after which there is nothing much that can be done). Early intervention is the key to good prognosis.Thank you and best wishes.
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Views expressed are for information purpose only and cannot substitute a visit to an ophthalmologist