2020–2021 BCSC Basic and Clinical Science Course™
13 Refractive Surgery
Chapter 8: Intraocular Refractive Surgery
Phakic Intraocular Lenses
Outcomes
With better methods for determining PIOL power, outcomes have steadily improved. The significant postoperative gains in lines of best-corrected visual acuity (BCVA), also referred to as corrected distance visual acuity (CDVA), over preoperative values are likely the result of a reduction in the image minification present with spectacle correction of high myopia. Loss of BCVA is rare. Moreover, the loss of contrast sensitivity noted after LASIK for high myopia does not occur after PIOL surgery. In fact, in all spatial frequencies, contrast sensitivity increases from preoperative levels with best spectacle correction.
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Barsam A, Allan BD. Excimer laser refractive surgery versus phakic intraocular lenses for the correction of moderate to high myopia. Cochrane Database Syst Rev. 2012;1:CD007679. Epub 2012 Jan 18.
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Boxer Wachler BS, Scruggs RT, Yuen LH, Jalali S. Comparison of the Visian ICL and Verisyse phakic intraocular lenses for myopia from 6.00 to 20.00 diopters. J Refract Surg. 2009;25(9): 765–770.
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Dick HB, Budo C, Malecaze F, et al. Foldable Artiflex phakic intraocular lens for the correction of myopia: two-year follow-up results of a prospective European multicenter study. Ophthalmology. 2009;116(4):671–677.
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Dougherty PJ, Rivera RP, Schneider D, Lane SS, Brown D, Vukich J. Improving accuracy of phakic intraocular lens sizing using high-frequency ultrasound biomicroscopy. J Cataract Refract Surg. 2010;37(1):13–18.
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Hassaballa MA, Macky TA. Phakic intraocular lenses outcomes and complications: Artisan vs. Visian ICL. Eye (Lond). 2011;25(10):1365–1370.
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Kohnen T, Kook D, Morral M, Güell JL. Phakic intraocular lenses: part 2: results and complications. J Cataract Refract Surg. 2010;36(12):2168–2194.
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Parkhurst GD, Psolka M, Kezirian GM. Phakic intraocular lens implantation in United States military warfighters: a retrospective analysis of early clinical outcomes of the Visian ICL. J Refract Surg. 2011;27(7):473–481.
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Pérez-Cambrodí RJ, Piñero DP, Ferrer-Blasco T, Cerviño A, Brautaset R. The posterior chamber phakic refractive lens (PRL): a review. Eye (Lond). 2013;27:14–21
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Summary of safety and effectiveness data. Artisan phakic lens. PMA No. P030028. US Food and Drug Administration website. Available at https://goo.gl/nTYyG2. Accessed November 6, 2016.
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Summary of safety and effectiveness data. STAAR Visian ICL (Implantable Collamer Lens). PMA No. P030016. US Food and Drug Administration website. Available at https://goo.gl/jTlZQs. Accessed November 6, 2016.
Excerpted from BCSC 2020-2021 series: Section 13 - Refractive Surgery. For more information and to purchase the entire series, please visit https://www.aao.org/bcsc.