Intraocular Lenses Trends of Under and Over Correction of Astigmatism with Toric IOLs According to a Toric Back Calculator Jan 31, 2022 Brent Kramer, 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 ↑
