How can you surgically cure myopia, astigmatism and long-sightedness in a few minutes?

Question: How can you surgically cure myopia, astigmatism and long-sightedness in a few minutes?

Options:

Permanent contact lens
Ultrasound
Laser
It can’t be cured

Correct answer:

Laser

Other game answers:
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You can find other questions and answers of trivia crack at triviacrackcheats.org (other languages are also available, for this game).