State what kind of vision the following people have:

State whether the following people have normal, myopic, hyperopic, presbyopic vision:

a. someone with eyeglasses of strength 3 diopters.
b. someone with eyeglasses of strength -3 diopters.
c. someone with bifocals.

-3 diopters indicates myopia
3 diopters indicates hyperopia
bifocals indicate presbyopia