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Mineral Glass Lenses
The first glass lenses were made around the 13th century and were fitted to metal, leather, and bone.http://www.thefashionisto.com/history-eyeglasses-timeline/ -
Earpiece Addition
In the 18th century, they developed the earpiece to go on the side of glasses.http://www.thefashionisto.com/history-eyeglasses-timeline/ -
Plastic Glasses and Sunglasses
In the 1930's, the addition of plastic lenses and sunglasses were invented.http://www.thefashionisto.com/history-eyeglasses-timeline/ -
Designs in Frames
During the 1950's, unique frames were being designed and worn. http://www.thefashionisto.com/history-eyeglasses-timeline/ -
Contacts were made
In 1939, glass contacts were made, but they were uncomfortable. www.contactlenses.org/timeline.htm -
Plastic contacts
In 1971, plastic contacts were made to replace the hard glass ones.www.contactlenses.org/timeline.htm -
Disposable Contacts
It took manufactures 16 years after making soft contacts to make them easily disposable.www.contactlenses.org/timeline.htm