Benefits of MyDay Toric contact lenses Smart Silicone TM means that lenses retain moisture Highly breathable lens surface, so more oxygen reaches the eyes UV blocking helps to limit sun damage Convenient daily disposable lenses Smooth lens surface makes application easier Find out how to read your prescription for MyDay Toric including understanding your base curve and diameter. More information about MyDay Toric MyDay Toric contact lenses are convenient and hygienic daily disposable toric contact lenses, correcting astigmatism. Featuring Smart SiliconeTM an innovative silicone formulation, the lenses allow oxygen to freely reach the eye and provide comfortable, clear vision. Additionally, the lenses feature a UV filter to help protect against UV rays. Although this should never be considered a replacement for UV blocking sunglasses, it can help shield the eyes.