Only PreserVision Eye Vitamin AREDS 2 Formula contains the exact levels of six nutrients recommended by the National Eye Institute to help reduce the risk of progression in people with moderate to advanced Age-related Macular Degeneration (AMD). PreserVision Eye Vitamin AREDS 2 Formulabuilds on the original, clinically-proven PreserVision AREDS formula, with lutein and zeaxanthin replacing beta-carotene based on the NEI s Age-Related Eye Disease Study 2 (AREDS2). Beta-carotene free, important for smokers and ex-smokers; Patented formula not available in any other brand; Easy-to-swallow 2 per day soft gelsPreserVision is the #1 recommended brand by eye doctors for people with moderate-to-advanced age-related macular degeneration. Brought to you by Bausch + Lomb - the leader in AREDS eye vitamins.The exact nutrient formula recommended by the National Eye Institute which includes lutein and zeaxanthinThe levels of antioxidants and zinc shown to be beneficial for people at risk of progression of AMD are not found in typical daily multivitamins.Completed in 2013, the Age Related Eye Disease Study 2 (AREDS2) was a five-year study conducted by the National Eye Institute (NEI) of the National Institutes of Health.