Tag: RGP lenses

Keratoconus: How Rigid Lenses Restore Vision in Progressive Corneal Thinning

Keratoconus causes progressive corneal thinning and distorted vision. Rigid contact lenses, especially scleral and RGP types, restore clear sight by creating a smooth optical surface over the irregular cornea. Combined with cross-linking, they prevent worsening and avoid surgery for most patients.