Contacts seem blurry while underwater?

Question

Im a competitive swimmer and when I swim with contacts on while wearing goggles, my vision gets very blurry when I go underwater. The moment I come up, my vision clears again. And when i go down again, my vision blurrs again. Please tell me why this is happening and how i can fix this

Answer 1

Pheraps it is something to do with the water pressure against your goggles/face?