It would seem logical that emmetropia is the ideal refractive state of the eye.
Emmetropia puts far away objects in perfect focus. Then, the natural accommodation of the eye allows shifting of the focus to near points, thereby giving a full range of sharp vision. As we age, presbyopia sets in, and our accommodative amplitude declines.
While cataract surgery has the ability to restore a clear visual axis and correct the refraction of the eye, we still do not have a commercially available IOL that provides a wide range of (Read more...)
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