Do you have contacts?
Yes I have contact lenses to correct my vision.
What do you know about contacts
The most common use is for myopia, hypermetropia, astigmatism and presbyopia. Basically for bad eyesight!
Oh man, is that medical
Well presbyopia happens due to aging of the eye and it gets worse as you get older and you can't focus on close objects.
Oh dang. What else do you know
Well a refractive error is when you can't focus light onto your retina because of the shape of your eye.