You wear lenses? Wear lenses? If so, you probably take it for granted.
This is technology. After all, over the last several hundred years the basic idea of glasses has not changed much.
But what you may not understand is that your glasses have changed the technology that you can not see and may take it for granted. In the 13th century, Monks invented glasses, but since the 19th century, glasses that we know today are manufactured from mass-produced frames.
Nevertheless, the engineering that reaches the lens is incredible.
We've gone through small, thin polycarbonate lens 10 times as large, in over a hundred years from polarized lenses to UV-coated lenses.
infographic by:www.allaboutvision.com
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