Paul McCartney revealed the “eye yoga” he’s practiced for decades, saying it's the reason he still didn’t need glasses at the age of 78. The former Beatle said he discovered the exercises in India, where a yogi explained the reasoning to him. “He explained that your eyes are muscles whereas your ears aren’t, so you can’t exercise your ears,” McCartney noted on a recent episode of Table Manners With Jessie Ware. “But your eyes, you can.” He went on to explain how this works: “So, head still, and then you look up as far as you can – one, two,...