and it's good to eat fish, of course, they contain the necessary vitamins of the b12 group mikhail evgenievicho the fact is that this is a vitamin that is involved in the process of hematopoiesis, and it is also involved in the structure of the clay sheath of the nerve, and our world. this is the most important ophthalmic nerve, if we are talking about chaneve, this is the most important part of our actual organ of vision, the eye is the brain, all information is transmitted through the optic nerve. and if dystrophy occurs in this ophthalmic nerve , then the so-called opticopathy develops, that is, dystrophy of this very optic nerve. and this is a huge problem, because the eye can be completely normal, and vision no, you will definitely be shown this very optic nerve, which does not live without vitamin b12. so here is our eye. it is actually an optical device. yes , when light enters the eye, it passes through the cornea. the lens of the vitreous body enters the retina, and the impulses are transmitted along the nerve endings to the eye nerf and this tract, it is quite long, then the brain en