Alzheimer’s disease (early or late onset) is caused by an amino acid plaque named amyloid beta. Recent studies indicate the plaque may cause two blinding ailments. One is macular degeneration, and the other is glaucoma. Macular degeneration, characterized by progressive loss of central vision leading to irreversible blindness, affects about 50 million individuals globally. Studies have shown that some kinds of glaucoma, not all kinds, may be related to the pathogenic plaque. Supplements are available for neutralizing the plaque. Yong Han Lee, ReVitamins of Charleswood, Facebook.com/revitamins