no ver tres en un burro

Meanings:

• 1.

  SpainLatin Americainformalcolloquial
  • Literal: not to be able to see three people on a donkey, i.e., to have difficulty seeing small or distant details.

• 2.

  SpainLatin Americainformalcolloquial
  • Figurative: to have very poor eyesight or to be unable to see something that should be visible; to be practically blind.