For several years, doctors have incorrectly informed their patients that macular degeneration is sporadic and not genetic. But the human genome project and new research indicates that up to 75% of macular degeneration can be explained by various genetic vulnerabilities.For premium ocular support, we recommend that people with high risk family histories take VisiVite Balanced Ocular Support. This supplement contains high doses of the carotenoids Lutein, Zeaxanthin and Astaxaxanthin, as well as additional premium antioxidants, and is safe for both smokers and non-smokers.