Using a unique gas-permeable contact lens to correct refractive errors such as nearsightedness, farsightedness and astigmatism. The rigid contact lenses are designed to temporarily reshape the cornea overnight (whil asleep), resulting in improved daytime vision once removed.

Also Known As

  • CRT
  • Orthokeratology
  • Ortho-K
  • Overnight Vision Correction
  • Gentle Vision Shaping System
  • GVSS