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Eye Glasses

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by

Lian Tawil

on 2 October 2013

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Transcript of Eye Glasses

http://www.historiceyewearcompany.com/page/31/about-spectacle-materials
Fog-less
Self- cleaning
Hydrophobic to take away the need of drying them after they get wet
Ability to pop out easily for cleaning
Easily replaceable legs
Lenses that can pop out and be put onto goggles and 3D glasses
Anti-glare
Doesn't show finger prints
Legs that can be easily tightened
Those that have poor eyesight can function just as well as everyone else
More than 125 million wear glasses on a regular basis
Why?
People began wearing eyeglasses around 1200 A.C.E.
No one knows when or by who they were invented

Eyeglasses addressed the need to see when doing work that requires precision and reading
In the beginning they were only worn by nobles but as books became popular and cheap more and more people had them
Eye Glasses
Eyeglasses
Impact
Materials originally used
Formed from two primitive convex shaped glass/crystal stones mounted on leather and wood
Plastic lenses


How glasses were originally made
Reading stones made of solid glass that was put into hand-held, single lens-type frames
Made of horn or wood.
shaped like two small magnifying glasses
Set into bone, metal, or leather mountings
Balanced on the bridge of nose.
Improvements made
New frame color
New lenses types; polarized,hypoallergenic
Different frame material; More design
Thinner frames
Able to block the sun
http://www.glasseshistory.com/
Resources
http://www.antiquespectacles.com/history/ages/through_the_ages.htm
http://www.webmd.com/eye-health/eyeglasses-eyes
http://www.webmd.com/eye-health/eyeglasses-eyes?page=2
Why?
To help reading easier
Be able to see
To block the sun
Less accidents from blinded drivers.
More eco-friendly
Possible Improvements
People to Use Glasses
Individuals who have vision problems, EX:
Presbyopia
Myopia (nearsightedness) / Hyperopia (farsightedness)
Astigmatism
People with sensitive eyes; sun glasses.

http://goarticles.com/article/Common-Uses-of-Eyeglasses-Eye-wear-and-Lenses/4349195/
http://worldbookonline.com/advanced/article?id=ar225820
Presentation By:
Lian Tawil
Karen Santamaria
&
Introduction To Engineering
Period 9
Global Impact
&subsequent innovations
Eye glasses evolved over time.
Originally made from glass/crystal, now plastic
Originally made to assist in vision
Worn for fashion
Glasses help you see better, will continue to evolve for many more years.
Full transcript