Intraocular Lenses Defocus Curves of Pre-Emerging and Emerging Presbyopic Patients: Updated Results Oct 10, 2021 Brian Shafer, MD Related Publications Optical Principles Of Extended Depth Of Focus IOLs Intraocular Lenses Depth of focus extension elongates the focal region to provide a continuous range of vision from distance to intermediate, with some functional performance at near. Learn More Refractive And Diffractive Principles In Presbyopia-Correcting IOLs — An Optical Lesson Intraocular Lenses Multifocality in IOLs is achieved through refractive or diffractive optical approaches. Learn More ↑
