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Glasses & Contact Lenses
1
Glasses & Contact Lenses
By: Peter Gayley
sitation
how contacts work.
http://www.allaboutvision.com/contacts/
http://www.museumofvision.org/exhibitions/?key=44&subkey=4&relkey=35
http://www.rosineyecare.com/patient-education/terms/how-glasses-improve-vision/
Contacts are worn on the Corina of the eye. If you do not clean enough it will lead to infection. Before getting contact lenses make sure to see if you are able to stand them, if you have frequent eye infections, sever allergies, dry eyes that resist treatment, very dusty environment, inability to care for your contacts. If anything on the list is a yes for you, contacts might not be the best thing for you.
Glasses vs contact lenses
worn on the eye for more natural vision.
How Many different types are there?
When were contact lenses invented?
Who were the first to make Glasses?
First Known sketches were made in Italy by Leonardo da vinci in 1508. Then in 1845 man named Sir John Hershel had the Idea of contact lenses.
http://www.webmd.com/eye-health/eyeglasses-eye
There are millions of prescriptions.
when technology progresses so do glasses in the old day glasses were made out of glass manly but know there made mostley out of high tech plastics.
Invented in 1268 through 1289 in the country of Italy. The chinese are given some credit after creating spectacles 2000 years ago! In the 1700s Benjamin Franklin had made a type of glasses, he himself wore them, but they weren't regular, he had lenses that were split so he could see far and near two reasons to get glasses.
How glasses work?
Contact lenses in 1964.
It all depends which types of lenses you have in order to help your eyes.
In 1964 over 6 million people owned and wore contact lenses in the united states! 65% of females had contacts out 6 million!
Then hey should help the Corina of your eye.