From an article on sciencedaily.com re supplements that can help slow
macular degeneration:

The recommended dietary supplement contains five ingredients. Four of them
are functional and one of them is there as an add-on. The four are vitamin
C, 500 mg; vitamin E, 400 mg; beta-carotene, 25,000 international units;
and zinc, 80 mg. Two milligrams of copper is also in there, because zinc
can cause a copper deficiency. For those who do not have AMD but are at
risk, I would recommend only half of that amount of zine, and for those who
are smokers, less or no beta-carotene.

--- Msged/2 6.0.1