Topography-guided excimer laser ablation

Author:

Onishi Alex C.1,Lee-Choi Calisa2,Marvasti Amir H.12

Affiliation:

1. Department of Ophthalmology, Stein Eye Institute, David Geffen School of Medicine at the University of California, Los Angeles

2. Coastal Vision Medical Group, Orange, California, USA

Abstract

Purpose of review Currently, the most commonly performed corneal refractive surgery is laser-assisted in-situ keratomileusis (LASIK). Customized forms of LASIK have been developed, which have allowed for improved outcomes and the enhanced correction of higher order aberrations (HOAs). This review discusses one form of custom LASIK, topography-guided LASIK, including factors involved in preoperative planning, and advantages and disadvantages compared with other forms of keratorefractive surgery. Recent findings Various treatment-planning approaches addressing discrepancies between the refractive and topographic astigmatic magnitude and axis have been used successfully, although there is debate regarding a superior method in the literature. Summary There are many forms of custom LASIK, which provide excellent outcomes. Topography-guided LASIK may be of particular use in highly aberrated corneas and may also provide outstanding outcomes in healthy eyes given its emphasis on treating the primary refractive surface of the eye.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Ophthalmology,General Medicine

Reference45 articles.

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2. Ocular aberrations before and after myopic corneal refractive surgery: LASIK-induced changes measured with laser ray tracing;Moreno-Barriuso;Invest Ophthalmol Vis Sci,2001

3. Assessment of refractive astigmatism and simulated therapeutic refractive surgery strategies in coma-like-aberrations-dominant corneal optics;Zhou;Eye Vis (Lond),2016

4. Recent advances in wavefront-guided LASIK;Manche;Curr Opin Ophthalmol,2018

5. Wavefront-optimized surface ablation with the allegretto Wave Eye-Q excimer laser platform: 12-month visual and refractive results;Gambato;J Refract Surg,2011

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