Central and peripheral presbyLASIK differ in that central presbyLASIK essentially creates a bifocal, whereas peripheral presbyLASIK increases the range of pseudoaccommodation. [38] Central ...

In peripheral presbyLASIK, the peripheral cornea is ablated so as to create a negative peripheral asphericity which in turn increases the depth of focus. Thus, the center of the cornea is left for ...

The diagnosis will be confirmed and the grade of cataract determined by two independent ophthalmologists. The amplitude of pseudoaccommodation will be measured by the lens-loading method in an ...