What is the vision requirement to becoming an airline pilot?

• You must have 20/20 vision without the aid of corrective lenses.
  Back in the day, you would be required to have 20/20 vision without the aid of glasses in order to be an airline pilot, but that isn't so anymore. As long as you can see with 20/20 vision with our without glasses or contact lenses, you should be in the clear.
• You must have 20/10 vision with the aid of corrective lenses.
  Back in the day, you would be required to have 20/20 vision without the aid of glasses in order to be an airline pilot, but that isn't so anymore. As long as you can see with 20/20 vision with our without glasses or contact lenses, you should be in the clear.
• You must have 20/20 vision with or without the aid of corrective lenses.
  Back in the day, you would be required to have 20/20 vision without the aid of glasses in order to be an airline pilot, but that isn't so anymore. As long as you can see with 20/20 vision with our without glasses or contact lenses, you should be in the clear.