Preference toric contact lenses have a proven, high quality, back-surface design, exceptional lens material and a quarterly planned replacement schedule. Preference toric offers superior comfort, clarity and convenience. Preference Toric contact lenses are specially made for people with astigmatism. Their unique lens design, durable tetrafilcon A material, and light blue handling tint make them extremely easty to handle while also being stable and comfortable. Key Benefits: EASY TO HANDLE DURABLE AND VIRTUALLY MAINTENANCE-FREE QUARTERLY REPLACEMENT SCHEDULE *Open boxes or vials cannot be returned or exchanged.