Preoperative Testing

Lens Replacement

Today, even the artificial lenses that replace a cataract patient’s own natural lens have changed dramatically. Thanks to the latest advances in technology and materials, many artificial lenses have significant clinical advantages over previous lens models. Dr. Piemontesi's office will speak with you regarding the various options and technologies available during your clinical visit. To help choose the best lens for you, we've provided a LifeStyles Questionnaire, to see which kind of lens would best suits your needs.

Patient Lens Options

Standard Foldable Lens (Basic)
  • Design allows insertion through small incision most often eliminating any sutures.
  • No sutures allowing for faster healing , less discomfort and a more stable refractive result.
  • Provides good quality vision when accompanied by good ambient lighting.
  • Made of silicone or acrylic.
  • Mimics the natural crystalline lens by filtering UV light.




Toric Foldable Lens
  • For consideration when Astigmatism (seen when the surface of the eye has an uneven curvature) is significant. This causes distortion when not corrected by glasses.
  • Design allows insertion through a small incision most often eliminating any sutures.
  • This lens corrects significant amounts of astigmatism and therefore decreases reliance on glasses for distant work in those with large amounts of astigmatism.
  • Glasses will still be required afterward especially for near work.
  • Mimics the natural crystalline lens by filtering UV light.
Multi Focal Foldable Lens
  • Ideal for those who wish to minimize their reliance on glasses for near and distant tasks.
  • Design allows insertion through small incision most often eliminating any sutures.
  • Surface designed to allow some near and distant vision without glasses.
  • Glasses will likely still be required for occasional use. (eg. Fine near and very distant work)
  • Must be implanted bilaterally. (both eyes)
  • Mimics the natural crystalline lens by filtering UV light.
  • An adaptation period of weeks to months should be expected to allow neuro-adaptation to this lens.
  • Halos may be seen in some instances especially directly after implantation.
  • Not ideal for those with significant astigmatism (> 1 diopter), significant myopia, or macular degeneration.
  • Mimics the natural crystalline lens by filtering UV light.
Multi Focal Toric Foldable Lens
  • Ideal for those patients with regular astigmatism of greater than 0.50 diopter.
  • Ideal for those who wish to minimize their reliance on glasses for near and distant tasks.
  • Design allows insertion through small incision most often eliminating any sutures.
  • Surface designed to allow some near and distant vision without glasses.
  • Glasses will likely still be required for occasional use. (eg. Fine near and very distant work)
  • Best when implanted bilaterally. (both eyes)
  • Mimics the natural crystalline lens by filtering UV light.
  • An adaptation period of weeks to months should be expected to allow neuro-adaptation to this lens.
  • Halos may be seen in some instances especially directly after implantation.
  • Mimics the natural crystalline lens by filtering UV light.
  • Not ideal for those with significant eye pathology such as retinal diseases (i.e. macular degeneration or glaucoma).