contact lenses


A contact lens (also known simply as a contact) is a corrective, cosmetic, or therapeutic lens usually place on the cornea of the eye. Modern soft contact lenses were invented by the Czech chemist Otto Wichterle, who also invented the first gel used for their production.

Trivia about contact lenses

  • The hard type of these can correct keratoconus & astigmatism
  • Heloise says if you're wearing these & are going to make a splash in the water, at least squint
  • Johnson & Johnson owns Acuvue, the world's leading disposable brand of these
  • ReNU, a multi-purpose solution from Bausch & Lomb, cleans, rinses & disinfects these
  • was offering a certificate for a free trial pair of these
  • These were first made in 1887 by German physiologist A.E. Fick
  • In 1887 Adolf Fick invented an early form of these to replace eyeglasses
  • In 1508 Leonardo da Vinci suggested these to correct defective vision
  • The soft ones are made from high-water-content polymers like hydroxyethylmethacrylate
  • First made in 1887, they went bifocal in 1958