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| Author: | wuming [ Thu Nov 30, 2017 8:10 am ] |
| Post subject: | vans old skool gris |
Although archeological evidence found in Iran in 2006 suggests that artificial eyes may be as old as five thousand years Cheap Jerseys From China , it is not believed that they were widely known until the mid 16th century in Europe. William Shakespeare made reference to ?glass eyes? in his King Lear and around that same time, Ambrose Par?, a famous French surgeon described artificial eyes made of gold and silver in his writings. Par? discussed two types of artificial eyes: the ekblephara, designed to be worn in over the eye lids and the hypoblephara, to be worn under the eyelid, probably over a damaged eye, since eye removal surgery was not common until almost two hundred years later. It doesn?t appear that many advancements were made in ocular prostheses until the early 1800s, when enamel prostheses were fairly common. However, enamel was expensive and lack of durability made it a less than ideal medium for artificial eyes. Later that century, in 1835 Cheap Jerseys China , German craftsmen created a new kind of glass, called cryolite which was made from arsenic oxide and sodium aluminum fluoride. The resulting new glass was a slightly off white color, which was a huge advancement in making glass eyes appear more natural. The craftsmen who created these eyes, used glass blowing techniques to form a small round ball which they painted to look like eyeballs. Throughout the 19th century, this new trade flourished in Europe, particularly in Germany. These German artisans were called ocula |
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