Contact Lenses Performance of verofilcon A Daily Disposable Contact Lenses in Digital Device Users Jan 06, 2023 Marc Schulze, PhD, Dipl Ing (AO), FAAO Related Publications Importance of Rotational Stability and Tear Film Stability in Toric Contact Lens Wearers Contact Lenses Astigmatism occurs when light entering the eye does not converge at a single focal point in the back of the eye, but instead focuses at two different locations. Learn More ↑