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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

  • Bifoklabrille fcm

    A bifocal lens with areas of differing magnification

  • Jan-Öjvind Swahn vid doktorspromovering 2006-06-02

    Bifocals with separate lenses. In this case, the Swedish ethnologist Jan-Öjvind Swahn.

See also

Kids robot.svg In Spanish: Lente bifocal para niños

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Bifocals Facts for Kids. Kiddle Encyclopedia.