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Related Experiment Video

Updated: Jun 22, 2026

Correction of Presbyopia by Monocular Bi-Aspheric Ablation Profile
05:46

Correction of Presbyopia by Monocular Bi-Aspheric Ablation Profile

Published on: September 20, 2024

Corneal multifocality with excimer laser for presbyopia correction.

Jorge L Alió1, Francisco Amparo, Dolores Ortiz

  • 1Vissum/Instituto Oftalmológico de Alicante, Universidad Miguel Hernández, Alicante, Spain. jlalio@vissum.com

Current Opinion in Ophthalmology
|June 23, 2009
PubMed
Summary

Excimer laser surgery offers effective corneal multifocality for presbyopia correction. Techniques like central and peripheral presbyLASIK provide spectacle independence for both near and far vision, though further research is ongoing.

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Published on: January 3, 2011

Area of Science:

  • Ophthalmology
  • Refractive Surgery
  • Corneal Optics

Background:

  • Presbyopia, an age-related condition, significantly impacts near vision.
  • Excimer laser surgery has evolved to address refractive errors and presbyopia.
  • Corneal multifocality aims to restore clear vision at multiple distances.

Purpose of the Study:

  • To review excimer laser surgical approaches for creating corneal multifocality.
  • To analyze the outcomes of different corneal multifocality techniques.
  • To provide a comprehensive perspective on presbyLASIK.

Main Methods:

  • Review of literature on excimer laser corneal multifocality.
  • Analysis of three distinct approaches: transitional multifocality, central presbyLASIK, and peripheral presbyLASIK.
  • Evaluation of reported outcomes, including spectacle independence and visual function.

Main Results:

  • Central and peripheral presbyLASIK demonstrate success in achieving simultaneous far and near unaided vision.
  • Peripheral presbyLASIK requires a neuroadaptation period for optimal visual performance.
  • Transitional multifocality techniques have limited clinical application and reported outcomes.

Conclusions:

  • PresbyLASIK is a valuable tool for presbyopia correction, supported by sufficient scientific evidence.
  • Most presbyLASIK techniques are still under clinical investigation.
  • Further clinical data are needed to fully validate the outcomes of various presbyLASIK approaches.