Pam Trobiano

THE INVENTION OF SPECTACLES

WHAT ARE SPECTACLES?

Eye Protection

Vision Correction

Includes safety glasses and sunglasses

TYPES

Corrective, Reading, Bifocal, Trifocal, Progressive, Adjustable Lenses, Safety

WHO?

DEVELOPMENTS

Held in front of eyes or balances on the nose

Printing Press

1700S

Made by hand

Invention of side pieces

Bifocals

Popular styles included bifocals, Martin’s Margins, Wig spectacles, and scissor spectacles.

Scissor Spectacles

Lorgnette

1800S

1900 - 1950

1950- TODAY

CONTACT LENSES

http://www.museumofvision.org/exhibitions/?key=44&subkey=4&relkey=35

http://www.glasseshistory.com/glasses-inventor/salvino-d-armate/

http://inventors.about.com/od/gstartinventions/a/glass_3.htm

http://en.wikipedia.org/wiki/Glasses

RESOURCES