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Who invented the soft contact lens?

  • Soft contact lenses were a big invention in the field of contact lenses. It dates back to 1959-60 when Otto Wichterle and Drahoslav Lim first developed soft lenses. These were much better than earlier versions of lenses which were very hard for the eyes. Being first lenses to allow oxygen permeability to the eyes, they soon become quite popular.
    However, you would be surprised to know that a lot of names are linked with the invention of first contact lenses. There is no single name you can attribute the invention of contact lens. From 1500 to 2000 a lot of research and development has taken place in the field and several names are associated with the development of contact lenses. Some of the prominent names are:
    Leonardo da Vinci(For conceptualostaion in 1508)
    René Descartes(1636)
    Thomas Young (1801)
    Sir John Herschel(1845)
    Adolf Eugen Fick (1887)
    Louis J. Girard (1887)
    William Feinbloom (1936, introduced plastic lenses)
    Otto Wichterle and Drahoslav Lim (developed soft lenses in 1960s which got approved in 1970 by FDA).

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  • Answer: Soft contact lenses were a big invention in the field of contact lenses. It dates back to 1959-60 when Otto Wichterle and Drahoslav Lim first developed soft lenses. These were much better than earlier versions of lenses which were very hard for the eyes. Being first lenses to allow oxygen permeability to the eyes, they soon become quite popular.
    However, you would be surprised to know that a lot of names are linked with the invention of first contact lenses. There is no single name you can attribute the invention of contact lens. From 1500 to 2000 a lot of research and development has taken place in the field and several names are associated with the development of contact lenses. Some of the prominent names are:
    Leonardo da Vinci(For conceptualostaion in 1508)
    René Descartes(1636)
    Thomas Young (1801)
    Sir John Herschel(1845)
    Adolf Eugen Fick (1887)
    Louis J. Girard (1887)
    William Feinbloom (1936, introduced plastic lenses)
    Otto Wichterle and Drahoslav Lim (developed soft lenses in 1960s which got approved in 1970 by FDA).
  • Answer: Do what your doctor tells you to do. If your eye doctor tells you to sleep in them fine, but I would advise against this. I go to Lenscrafters for my eye needs and they told me no.
  • Answer: Firstly Wash your hands properly before wearing contact lens.
    Then Gently shake your lens case containing the storage solution, to loosen the contact lens should it be stuck. Slide the lens out of its case and into the palm of your hand. Rinse thoroughly with the appropriate contact lens solution.Place the contact lens on the tip of your index or middle finger, which should be dry or mostly dry.With the fingers and thumb of your other hand, simultaneously pull up on your upper eyelid and down on your lower eyelid.Position the lens on your eye while looking upward or forward, whichever you find to be easier. Gently close your eye, roll your eyes in a complete circle to help the lens settle, and then blink.Look closely in the mirror to make sure the lens is centered on your eye. If it is, the lens should be comfortable and your vision should be clear.
  • Answer: You can read about the Fairness to Contact Lens Consumers Act at www.ftc.gov/bcp/edu/pubs/business/health/bus62.shtm
  • Answer: Do tothe pressure of your eye lids during the night, depending on how long you sleep for, the contact could become permanently stuck on your eye and will over time turn yellow. Therefore your vision will e yellow until you eventually go blind.
  • Answer: Type II muscle fibers are aerobic.
  • Answer: Mishobi Realtad and his co-assistant David Todd Poskey
    invented in 1976 it was mostly used as a joke for middle aged kids to mess around with, but then the world found a use for it and is now used in every lab in America and maybe even the world.
  • Answer: Percentage of contact for soft foot?
  • Answer: While the likelihood of that not actually happening, irritation and possible infection is possible. Check the sides or your eye and pull down your eyelids to see if it is there. If you close your eye and feel the contact try moving it with your finger gently with your eyelids closed to see if you can put it back into place. It may have fell out without your knowledge. But, if you are worried consult your care provider to see what is the best option for you.
  • Answer: SHUTTER in Camera controls the amount and time of light that the Sensor will exposed to.
  • Answer: A hard metal will act as an abrasive on a soft metal if they comein direct contact. The hard metal will cut grooves in the softmetal.