Degeneration of the optic nerve and papillomacular bundle with resulting loss of central vision and blindness, which is progressive for several weeks, then usually becomes stationary with permanent central scotoma; the age of onset is variable, most often in the third decade; more males than females are affected.
Fluoridation Chemicals. The fluoride chemicals used to fluoridate drinking water are: hydrofluorosilicic acid, sodium fluorosilicate, and sodium fluoride. Unlike the fluoride compounds found in toothpaste or supplements, fluoridation chemicals are not pharmaceutical grade quality.They are, instead, unpurified industrial by-products that are collected in the air pollution control systems of certain industries.he fluoride chemicals used to fluoridate drinking water are: hydrofluorosilicic acid, sodium fluorosilicate, and sodium fluoride.
Sodium Benzoate. Sodium benzoate is a sodium salt that is commonly used as a chemical preservative, but can also occur naturally in some foods. This chemical is often found in processed foods such as sodas, fruit juices, vinegar, pharmaceuticals, cosmetics, dyes or industrial settings.. Foods. Many fruits such as berries, plums, apples or cranberries naturally contain low levels of this chemical. However, most people are exposed to this chemical because it is used as a preservative in processed foods. Around 75 percent of people can taste the bitter, salty flavor that sodium benzoate adds to food.