関連ワード:  why can't i blink with both eyes    i can't wink with both eyes    why can't i wink with both eyes    why do people blink with both eyes    why do we blink with both eyes at the same time    why can some people wink with both eyes    why can't people wink with both eyes    why can't some people wink with both eyes    why do my eyes not blink at the same time    what does it mean when your eyes don't blink at the same time