There was a British teen who went blind eating only fries and chips. https://www.cbsnews.com/news/british-teenager-went-blind-from-eating-only-fries-and-chips-

There was a British teen who went blind eating only fries and chips. https://www.cbsnews.com/news/british-teenager-went-blind-from-eating-only-fries-and-chips-doctors-say-warning-over-junk-food-caused-malnutrition/ https://www.cbsnews.com/news/british-teenager-went-blind-fro...