Therapeutic Areas Therapeutic Areas Surgical Cataract › Vitreoretinal › Visualization › Refractive › Glaucoma › Ocular Health Dry Eye › Contact Lens Contact Lenses › Contact Lens Solutions › Recent Publications 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 Effectiveness Of Multipurpose Contact Lens Solutions Against Acanthamoeba Trophozoites Contact Lenses Acanthamoeba keratitis (AK) can cause devastating damage to the eye and permanent vision loss Learn More SS-OCT biometers using the Sum-of-Segments method versus using the Mean Group Refractive Index to measure axial length – how does it affect IOL power calculations? Cataract Diagnostics and Equipment Today’s SS-OCT biometers employ two methods to measure the axial length: Sum-of Segments using individual refractive indices or a Mean Group Refractive Index. Learn More View More © 2025 Alcon Inc. p-MED-IBP-NP-250002
