title: Influence of ocular longitudinal chromatic aberration on the selection of aspheric intraocular lenses.
abstract: Polychromatic defocus could affect the optimal residual spherical aberration that could yield the best image quality for patients with intraocular lenses (IOLs). Modulation transfer functions (MTFs) were generated using a model that included polychromatic defocus. The maximum MTF volume occurred at + 0.05 μm of overall ocular spherical aberration. For 3 case studies, the optimal overall ocular spherical aberration was ~0.05 μm more positive with the contribution of polychromatic defocus than without it. Overall, the model indicated that image quality was usually best when IOLs allowed overall ocular spherical aberration that was slightly positive, rather than strongly positive, zero, or negative.
authors.affiliation: Alcon Research, Ltd, 6201 South Freeway, Fort Worth, Texas 76134, USA. xin.hong@alconlabs.com
authors.forename: Xin
authors.initials: X
authors.lastname: Hong
authors.forename: Myoung
authors.initials: M
authors.lastname: Choi
mesh_terms: D016477:Artifacts; D003198:Computer Simulation; D017076:Computer-Aided Design; D004867:Equipment Design; D019544:Equipment Failure Analysis; D007910:Lenses, Intraocular; D008962:Models, Theoretical