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Related Concept Videos

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Focusing of Light in the Eye

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Related Experiment Video

Updated: Jun 21, 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

Basic knowledge of refractive surgery: correction of refractive errors using modern surgical procedures.

Thomas Kohnen1, Anja Strenger, Oliver K Klaproth

  • 1Klinik für Augenheilkunde der Johann-Wolfgang-Goethe-Universität, Theodor-Stern-Kai 7, Frankfurt am Main, Germany. Kohnen@em.uni-frankfurt.de

Deutsches Arzteblatt International
|July 28, 2009
PubMed
Summary
This summary is machine-generated.

Refractive ophthalmic surgery offers safe and effective permanent correction of vision errors. Laser in-situ keratomileusis (LASIK) is the most popular procedure, with alternatives available for various visual needs.

Keywords:
LASIKexcimerphakic intraocular lensesrefractive lens exchangerefractive surgerysurface ablation

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Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter
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Last Updated: Jun 21, 2026

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Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter
05:14

Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter

Published on: September 16, 2025

Area of Science:

  • Ophthalmology
  • Refractive Surgery

Background:

  • Refractive ophthalmic surgery provides a permanent, safe, and effective solution for correcting refractive errors.
  • The procedures are associated with a low complication rate.

Purpose of the Study:

  • To review current refractive surgical procedures.
  • To highlight guidelines from the German Commission for Refractive Surgery.

Main Methods:

  • A selective literature review was conducted.
  • Emphasis was placed on guidelines from the German Commission for Refractive Surgery.

Main Results:

  • Laser in-situ keratomileusis (LASIK) is the most prevalent refractive surgical procedure globally, with nearly 18 million treatments performed.
  • Alternative options include surface ablation (PRK, LASEK, Epi-LASIK) and phakic intraocular lens implantation.
  • Refractive lens exchange with multifocal intraocular lenses is an option for correcting myopia, hyperopia, and presbyopia, especially after loss of accommodation.

Conclusions:

  • Maximizing treatment efficacy and minimizing complications are achieved through strict adherence to inclusion criteria.
  • Maintaining a high technical standard during refractive surgical procedures is crucial for optimal outcomes.