The latest PreserVision formula. Builds on the original, clinically proven PreserVision AREDS Formula, with Lutein and Zeaxanthin replacing beta-carotene based on the AREDS 2 study.* This advanced PreserVision AREDS 2 Formula contains the exact same level of all six nutrients based on the latest clinical evidence from the AREDS 2 study. PreserVision Eye Vitamin AREDS 2 Formula is based on the original Bausch + Lomb PreserVision Eye Vitamin AREDS Formula, and is a high potency antioxidant supplement with select vitamins and minerals, at levels well above those in ordinary multivitamins and generally not attainable through diet alone