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dc.contributor.authorMarcos, Susana-
dc.identifier.citationJournal of Refractive Surgery 18(5): 572-578 (2002)en_US
dc.description7 pages, 3 figures.-- PMID: 12361160 [PubMed].-- Presented at the 3rd International Congress of Wavefront Sensing and Aberration-free Refractive Correction, February 15-17, 2002, Interlaken, Switzerland.en_US
dc.description.abstractWe discuss current knowledge about the change of aberrations with aging, cataract surgery, and laser in situ keratomileusis (LASIK) for myopia. Based on this evidence, we speculate about the long-term expectations for postoperative LASIK eyes in terms of aberrations. Standard myopic LASIK surgery produces a significant increase in aberrations, particularly corneal spherical aberration, which changes to positive values. Aberrations increase with age, and in particular, the spherical aberration of the crystalline lens shifts toward positive values. Therefore, no compensatory effect is expected to occur with age after standard myopic LASIK, but rather the unusually high amount of aberrations in postoperative LASIK patients is expected to worsen with age. The amount of aberrations in patients after cataract surgery with implantation of standard intraocular lenses (IOLs) is higher than in normal young subjects. If an ideal customized ablation (not inducing aberrations and reducing naturally existing aberrations) is ever possible, the perfect correction will not last (due to the change of aberrations with age), and aberrations of the crystalline lens corrected on the cornea are likely to reappear after conventional cataract surgery. Potential benefits of customized IOLs for cataract surgery and improved optics in older patients are discussed.en_US
dc.description.sponsorshipThe author acknowledges the co-authors of the published results reviewed here: James Maclellan and Stephen A. Burns (Schepens Eye Research Institute, Harvard University), Sergio Barbero and Lourdes Llorente (Instituto de Optica, Consejo Superior de Investigaciones Científicas), and collaborative surgeons Jesús Merayo-Lloves (Instituto de Oftalmobiología Aplicada, Universidad de Valladolid- Unidad Asociada IO/CSIC-IOBA/UVA) and Ignacio Jiménez-Alfaro (Fundación Jiménez Díaz). The author acknowledges support of Carl-Zeiss Spain for the loan of an Atlas Humphrey Corneal Topography System and partial funding of a research fellowship; and CAM08.7/0010.1/2000 and Convenio de Cooperacion USA-Spain for research funding.en_US
dc.format.extent312352 bytes-
dc.publisherInternational Society of Refractive Surgeryen_US
dc.subjectRefractive surgeryen_US
dc.titleAre Changes in Ocular Aberrations With Age a Significant Problem for Refractive Surgery?en_US
dc.description.peerreviewedPeer revieweden_US
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