mine hav'nt changed in the last 4 years, out of 16 wearing them, but every 2 years was the rule at my eye doctor.....do we all wear glasses, we could start a four eyes clan..lol!!!
2 years between tests.
i am apparently the perfect candidate for that Lasik corrective thing but its a bit expensive and scary. WTF happens if i move my eye eeek eek: