Computer-integrated method for determining the acceptable errors in measuring aphakia eye parameters in the treatment of cataracts

Kateryna S. Khriienko; Igor G. Chyzh; Valentin G. Kolobrodov; Volodymyr I. Mykytenko; Grygorij S. Tymchik; Oleksandr V. Kobylianskyi; Ihor V. Filipishyn; Zbigniew Omiotek; Aliya Kalizhanova; Ainur Kozbakova

doi:10.1117/12.2607824

3 November 2021 Computer-integrated method for determining the acceptable errors in measuring aphakia eye parameters in the treatment of cataracts

Kateryna S. Khriienko, Igor G. Chyzh, Valentin G. Kolobrodov, Volodymyr I. Mykytenko, Grygorij S. Tymchik, Oleksandr V. Kobylianskyi, Ihor V. Filipishyn, Zbigniew Omiotek, Aliya Kalizhanova, Ainur Kozbakova

Author Affiliations +

Proceedings Volume 12040, Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2021; 120400A (2021) https://doi.org/10.1117/12.2607824
Event: Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2021 (WILGA 2021), 2021, Warsaw, Poland

Abstract

Acceptable errors of eye optical system parameters preoperative biometrics are substantiated. It allows to determine intraocular lens (IOL) optical power with the accuracy that provides the error of planned postoperative refraction within ±0.25 diopters. It was found that depending on the location of the IOL in the patient's eye, allowable error in determining the required IOL optical power for emetropic postoperative refraction is from ±0.3 to ±0.42 diopters, and for the average eye optical system is within ±0.337 diopters. It is shown that allowable error in determining the required optical power of the implanted IOL is provided if geometric parameters of aphakia eye – the average radius of cornea curvature, the IOL location in the eye and the focal length of the virtual paraxial component, are measured with the same permissible errors ±0.055 mm.

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Kateryna S. Khriienko, Igor G. Chyzh, Valentin G. Kolobrodov, Volodymyr I. Mykytenko, Grygorij S. Tymchik, Oleksandr V. Kobylianskyi, Ihor V. Filipishyn, Zbigniew Omiotek, Aliya Kalizhanova, and Ainur Kozbakova "Computer-integrated method for determining the acceptable errors in measuring aphakia eye parameters in the treatment of cataracts", Proc. SPIE 12040, Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2021, 120400A (3 November 2021); https://doi.org/10.1117/12.2607824

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KEYWORDS

Eye

Cornea

Biometrics

Eye models

Refraction

Refractive index

Zemax

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