Vitamin B supplements may reduce the risk for age-related macular degeneration, at least in women with cardiovascular disease or at risk for it. Macular degeneration, a disease that destroys the central area of the retina, is the leading cause of severe vision loss in people over 50.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/vitamin-b-may-lower-risk-eye-disease
[2] http://admin.indiaenvironmentportal.org.in/category/author/nicholas-bakalar
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/international-herald-tribune-bangkok
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/medical-research
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/eye-diseases
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us