The most powerful trade associations represent large industries such as. pharmaceutical. Pharmaceutical industry is usually huge as it involves numerous different processes and employs thousands of people in just one country.
Eye Vitamins for Macular Degeneration. Most people with macular degeneration do not need vitamins. Only certain individuals may gain a benefit from taking eye vitamins, but these are a particular subset of all patients with macular degeneration.
Answers from Dennis Robertson, M.D. Probably not. Several dietary supplements are marketed as eye vitamins. But little evidence supports using these products for preventing glaucoma or reversing vision loss due to glaucoma. Few clinical trials of eye vitamins or supplements for glaucoma have been conducted. One study showed that taking folic acid may reduce the risk of some types of glaucoma.