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Intraocular lens power calculation in eyes with keratoconus

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Garzón Jiménez, Nuria and Arriola Villalobos, Pedro and Felipe Márquez, Gema and Poyales Galán, Francisco and García Montero, María (2020) Intraocular lens power calculation in eyes with keratoconus. Journal of Cataract & Refractive Surgery . 7 p.. ISSN 1873-4502 (In Press)

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Official URL: https://doi.org/10.1097/j.jcrs.0000000000000082




Abstract

The purpose was to review and document the methods used to calculate the power of the intraocular lens (IOL) to be implanted in cataract surgery in the specific scenario of eyes with keratoconus (KC). This review was conducted of all scientific articles published in English that focused on the parameters and formulas used to calculate the power of the IOL to be implanted in eyes with KC undergoing cataract surgery. There are few publications that show in detail how IOL power is calculated in those particular cases. If the keratometric value is used based on the standard refractive index (1.3375), this results in a postoperative refractive error with a tendency to hyperopia. The SRK/T formula is the formula yielding the best outcomes. The greater the severity of KC, the greater the deviation of the postoperative refractive status deviation from the target outcome.


Item Type:Article
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Review/Update

Uncontrolled Keywords:Intraocular lens; Keratoconus
Subjects:Medical sciences > Medicine > Surgery
Medical sciences > Medicine > Ophtalmology
Medical sciences > Optics > Optometry
Medical sciences > Optics > Visual perception
ID Code:58724
Deposited On:10 Feb 2020 15:14
Last Modified:10 Feb 2020 15:14

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