Laboratory Evaluation of the Influence of Decentration and Pupil Size on the Optical Performance of a Monofocal, Bifocal, and Trifocal Intraocular Lens

Various intraocular lens (IOL) designs have been developed to achieve better unaided vision for patients undergoing cataract surgery. Today's standard monofocal IOLs provide excellent distance visual acuity,1 whereas toric and aspheric IOLs optimize the refractive outcome.2,3 Bifocal IOLs provide uncorrected far and near visual acuity, whereas recently introduced trifocal designs flatten out defocus curves and thus additionally grant uncorrected intermediate visual acuity.4,5 To fully exploit the optical capabilities of these IOLs, especially bifocal and trifocal lenses, some requirements need

Source: Journal of Refractive Surgery - December 12, 2017 Category: Opthalmology Authors: Tamer Tandogan, MD Source Type: research