Food that does not contain minerals and vitamins is harmful to the eyes. Alcohol, coffee, tobacco, tea, sugar, refined flour and food with added chemical preservatives, especially cigarettes, coffee, black tea, are like poison in the eye. Candy, cake, ice cream and cola are bad foods. If you look into your eyes the morning after you eat these sweet foods, you can see that sugar has taken too much vitamin complex from the optic nerve.
10 Ways to Keep Your Eyes Healty