History of contact lensesThe origin of the contact lenses. Adolf Fick was started in 1887 by Adolf Fick had produced the first successful contact lens it is made of brown glass. He receives knowledge about the eye section of Leonardo da Vinci came to California from the accompaniment from the book Codex of the eye, Manual D, where typing in the year 1508. The section on knowledge of liquid mirrors can be permeable and stuck to enjoying California. René Descartes uses clear glass. But this idea, it is not successful, the Thomas Young's experiment similar to the one in the year 1801. Later, Sir John Herschel proposed a thought came out about 2 the shape of the lenses, which should resemble a circle and the second is that the idea should look like transparent gel medium in which these two concepts in the year 1929 Hungarian Dr. Dallos, can find out the best way to contact lens manufacturer, where he is the first person that can produce contact lenses that are optimized for use with the eyes. 1930s polymethyl methacrylate are (PMMA or Perspex/Plexiglas) use contact lenses and have developed subsequently by William Feinbloom has been producing contact lenses by using plastic mixed with glass. A significant disadvantage of polymethyl methacrylate is not oxygen can pass through. This type of lens is a hard lens soft lenses are created by Otto Wichterle, which builds on the gel, in 1959, and in 1999 have brought silicone hydrogels made do with contact lenses, because oxygen can pass through the lens of this type and use.
การแปล กรุณารอสักครู่..