Biologic active substances are for eyes.

As to the meal they are compozitions of natural or ideNtic for the natural biologic active substances are using to the  meal, but theirs using and special products are very effective methods for fighting deficit vitamins and micro elements. As in medicine BAS are vitamins, herbs, minerals, bee products, weeds, but attention on the BAS are poor, because of poor knowledge, where books are not sharing, and selling are not quality,where effect and dosages are poor. But sellers are pressing on you  attention to buy theirs,like substances, but they are getting big moneys and you is bad effect.
And in drug stores are selling many of substances for the vision, are of vitamin C, luteine, and complexes an other nourishing substances. As hard attention the substances today are not having, than to the drugs and bio  substances, but one researches offering are a few supplements  with vitamin  C  for preventing cataract, but other are offering with luteine,that lowering risk for maculodystrophia, or cataract, but these facts are not having.And in USA researchers within 12 years working as offering,that using multi vitamin complexes who is, or vitamin's C,E as individually  or A, are in low risk for cataract,who is not using.
And if you are thinking about theirs using,thus asking in oculist, as for a Good vision supporting, doctor need to know more about theirs effects, and am sharing a few supplements with you.