kids encyclopedia robot

Bifocals facts for kids

Kids Encyclopedia Facts
Bifocals by Benjamin Franklin - Franklin Institue - DSC06605
Bifocals made by Benjamin Franklin

Bifocals are eyeglasses with lenses that are split between two different strengths. Usually the lower half of each lens is made to help the wearer read, while the upper one is to help the wearer see at a distance.

Images for kids

kids search engine
Bifocals Facts for Kids. Kiddle Encyclopedia.