Therapeutic Areas Therapeutic Areas Surgical Cataract › Vitreoretinal › Visualization › Refractive › Glaucoma › Ocular Health Dry Eye › Contact Lens Contact Lenses › Contact Lens Solutions › Recent Publications 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 Pupil Size Independence with Multifocal Contact Lenses: Fact or Fiction? (Iberia) Contact Lenses Multifocal (MF) contact lenses are designed to provide functional vision to presbyopic patients of different ages, refractive errors and pupil sizes Learn More Precision1® Contact Lenses With Smartsurface® Technology: Material Properties, Surface Wettability And Clinical Performance Contact Lenses A wettable contact lens surface is critical for maintaining a smooth and stable tear film. Learn More View More © 2025 Alcon Inc. p-MED-IBP-NP-250002
