John Lennon wore contact lenses that kept on pinging out. Then he smoked pot and the rest is history
meunierd/ShutterstockWhen you think of John Lennon from The Beatles, you’re likely to picture him with his circular, wire-rimmed glasses.
But at times, he wore contact lenses, or at least he tried to. They kept pinging out of his eyes.
Why and what Lennon did to help his contacts stick is part history and part vision science.
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