Know The History Of Contact Lenses

People may have new experience of wearing if they change to wear contact lenses

, which are totally different from eyeglasses in many aspects. Everything will be seemed much natural and fresher than with glasses. However, only few people know how contact lenses are invented and how they are upgraded on and on.

The history of contact lenses can be dated back to several hundreds years ago. Leonardo Da Vinci is usually credited with the idea of contact lenses, and there might be other people. But the fact that the idea of contact lenses is proposed in that period of time can not be denied.

For a very long period of time, no substantial progresses are made in the making of contact lenses. And this does not change until the 19th century when Thomas Yong has made a pair of historic contact lenses. And the late part of that century has also witnessed rapid growth and development in the making of contact lenses. But these lenses can not be worn and will cause a lot of problems and discomfort.

One of the greatest reasons why lenses can not be worn is materials, which can not work nicely with eyes. And the mid 20th century has witnessed the emergence of real contact lenses people now use, with the employment of PMMA, a kind of new and special material in then field. Since then, much greater and better achievements are made in the field. Some soft lenses are also brought into market.

As people begin to wear contact lenses, more and more ideal results are made in the research. For example, lenses that are gas permeable and can offer more moisture are invented. There are also disposable and extended eye wear as time goes by. Or some lenses can be slept in at night.

And contact lenses are much widely used than ever before and become many peoples first choices, with fewer discomfort and complications.

If you want to know more about contact lenses knowledge, then feel free to visit http://vision.firmoo.com/contact-lenses

by: MichellePerkins

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