Wearing goggles to make him cooler is one of the reasons. The main reason for him and for every player is the protection the goggles can provide.
It's pretty dangerous for the professional sports player with near-sightedness to contest with others. However, wearing glasses can be more dangerous, so they never wear glasses. They even seldom wear contact lenses because it's not safe as well.
Goggles with prescription are the perfect choice for them. And there are various goggles for them to choose, and they can keep cool at the same time. Most of the sports brands even offer players goggles for free.