Customized Eye Models for Determining Optimized Intraocular Lenses Power

Overview

Journal Biomed Opt Express

Specialty Radiology

Date 2011 Jun 24

PMID 21698026

Citations 11

Authors

Carmen Canovas

Pablo Artal

Affiliations

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Abstract

We have developed a new optical procedure to determine the optimum power of intraocular lenses (IOLs) for cataract surgery. The procedure is based on personalized eye models, where biometric data of anterior corneal shape and eye axial length are used. A polychromatic exact ray-tracing through the surfaces defining the eye model is performed for each possible IOL power and the area under the radial MTF is used as a metric. The IOL power chosen by the procedure maximizes this parameter. The IOL power for 19 normal eyes has been determined and compared with standard regression-based predictions. The impact of the anterior corneal monochromatic aberrations and the eye's chromatic aberration on the power predictions has been studied, being significant for those eyes with severe monochromatic aberrations, such as post-LASIK cataract patients, and for specific IOLs with low Abbe numbers.

Citing Articles

Peripheral visual field shifts after intraocular lens implantation.

van Vught L, Luyten G, Beenakker J J Cataract Refract Surg. 2023; 49(12):1270-1274.

PMID: 37702454 PMC: 10664812. DOI: 10.1097/j.jcrs.0000000000001299.

Ray tracing optimization: a new method for intraocular lens power calculation in regular and irregular corneas.

Perez-Merino P, Aramberri J, Quintero A, Rozema J Sci Rep. 2023; 13(1):4555.

PMID: 36941337 PMC: 10027892. DOI: 10.1038/s41598-023-31525-8.

Comparison of wavefront aberrations in the object and image spaces using wide-field individual eye models.

Liu Y, Li X, Zhang L, Yi X, Xing Y, Li K Biomed Opt Express. 2022; 13(9):4939-4953.

PMID: 36187261 PMC: 9484411. DOI: 10.1364/BOE.464781.

MRI-based 3D retinal shape determination.

van Vught L, Shamonin D, Luyten G, Stoel B, Beenakker J BMJ Open Ophthalmol. 2021; 6(1):e000855.

PMID: 34901465 PMC: 8611437. DOI: 10.1136/bmjophth-2021-000855.

Influence of lens position as detected by an anterior segment analysis system on postoperative refraction in cataract surgery.

Zhang J, Li J, Li C, Cao Y, Lu P Int J Ophthalmol. 2021; 14(7):1006-1012.

PMID: 34282384 PMC: 8243177. DOI: 10.18240/ijo.2021.07.07.

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