ASPHERIC IOLs BETTER THAN SPHERIC IOLs IN MID TO LOW CONTRAST SITUATIONS
Ophthalmology Volume 116, Issue 5 , May 2009, Pages 890-895 Eyes implanted with the aspheric IOL showed better photopic and mesopic contrast sensitivity at medium and high spatial frequencies than eyes implanted with the spherical IOL. High-contrast photopic visual acuity was similar between both IOLs.