Minimum age to take the theoretical course: 14 years old.
Minimum age to do the theoretical exam: 15 years old.
Minimum age to take flight classes and do your first solo: 16 years old.
Minimum age to do the Flight Practical Exam: 17 years old.

Yes. You would need a student Visa for Aruba. This obtainable through DIMAS.
please visit www.dimas.aw

No, the industry accepts contact lenses and glasses.