Contact Lenses Subjective Performance of Verofilcon A Daily Disposable Soft Contact Lens After 16 Hours of Wear Feb 01, 2022 Colton Heinrich, OD, FAAO, FSLS 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 ↑