to person. That's why Bausch & Lomb has created Akreos™ AO, the world's first aspheric IOL with aberration neutrality and uniform power from centre to edge, offering unique benefits independent of the patient's profile. Unlike other IOLs, it does not add further aberrations to the patient's eye. This leaves the slight, naturally occuring positive aberratioin from cornea, providing better Depth of Field (the ability of the eye to gauge relative difference between two objects.)