Comparison of patient outcomes after implantation of Visian toric implantable collamer lens and iris-fixated toric phakic intraocular lens

Purpose We compared visual and refractive outcomes after implantation of Visian toric implantable collamer lenses (toric ICLs) and iris-fixated toric pIOLs (toric Artisans). Patients and methods A comparative retrospective analysis was performed. Toric ICLs were implanted into 30 eyes of 18 patients...

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Veröffentlicht in:Eye (London) 2011-11, Vol.25 (11), p.1409-1417
Hauptverfasser: Lee, S Y, Kwon, H J, Ahn, H S, Seo, K Y, Kim, E K, Kim, T-I
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container_issue 11
container_start_page 1409
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creator Lee, S Y
Kwon, H J
Ahn, H S
Seo, K Y
Kim, E K
Kim, T-I
description Purpose We compared visual and refractive outcomes after implantation of Visian toric implantable collamer lenses (toric ICLs) and iris-fixated toric pIOLs (toric Artisans). Patients and methods A comparative retrospective analysis was performed. Toric ICLs were implanted into 30 eyes of 18 patients, and toric Artisans into 31 eyes of 22 recipients. We measured the logarithms of the minimum angle of resolution of uncorrected visual acuity (logMAR UCVA), logMAR of best spectacle-corrected corrected VA (logMAR BSCVA), MR, SE, and astigmatism (by the power vector method) before surgery and 1, 3, and 6 months thereafter. Differences between patients receiving each type of lens were compared by using a mixed model of repeated measures. Results Visual improvements were evident after operation in both groups. By comparing the attempted to the achieved SE values, we were able to confirm that correction of refractive error was similar in both groups. However, the logMAR UCVA was significantly higher in the toric ICL group at all postoperative time points. Although manifest cylinder power and astigmatism (calculated by using the power vector method) gradually decreased in the toric ICL group, cylinder power 1 month postoperatively increased from −2.62 to −2.75 D; astigmatism was also increased at this time in the toric Artisan group. Conclusion The two tested toric pIOLs were similar in terms of the ability to correct refractive error, as assessed 3 months postoperatively. However toric ICLs corrected astigmatism more rapidly and safely. Notably, the large difference in astigmatism level between the two groups 1 month postoperatively indicates that toric ICLs are more effective when used to correct astigmatism.
doi_str_mv 10.1038/eye.2011.176
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Patients and methods A comparative retrospective analysis was performed. Toric ICLs were implanted into 30 eyes of 18 patients, and toric Artisans into 31 eyes of 22 recipients. We measured the logarithms of the minimum angle of resolution of uncorrected visual acuity (logMAR UCVA), logMAR of best spectacle-corrected corrected VA (logMAR BSCVA), MR, SE, and astigmatism (by the power vector method) before surgery and 1, 3, and 6 months thereafter. Differences between patients receiving each type of lens were compared by using a mixed model of repeated measures. Results Visual improvements were evident after operation in both groups. By comparing the attempted to the achieved SE values, we were able to confirm that correction of refractive error was similar in both groups. However, the logMAR UCVA was significantly higher in the toric ICL group at all postoperative time points. Although manifest cylinder power and astigmatism (calculated by using the power vector method) gradually decreased in the toric ICL group, cylinder power 1 month postoperatively increased from −2.62 to −2.75 D; astigmatism was also increased at this time in the toric Artisan group. Conclusion The two tested toric pIOLs were similar in terms of the ability to correct refractive error, as assessed 3 months postoperatively. However toric ICLs corrected astigmatism more rapidly and safely. Notably, the large difference in astigmatism level between the two groups 1 month postoperatively indicates that toric ICLs are more effective when used to correct astigmatism.</description><identifier>ISSN: 0950-222X</identifier><identifier>EISSN: 1476-5454</identifier><identifier>DOI: 10.1038/eye.2011.176</identifier><identifier>PMID: 21852802</identifier><identifier>CODEN: EYEEEC</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>692/699 ; 692/700/565/545 ; Adult ; Algorithms ; Astigmatism - physiopathology ; Astigmatism - surgery ; Biological and medical sciences ; Clinical Study ; Female ; Humans ; Laboratory Medicine ; Lens Implantation, Intraocular - methods ; Lenses, Intraocular ; Male ; Medical sciences ; Medicine ; Medicine &amp; Public Health ; Middle Aged ; Miscellaneous ; Myopia - physiopathology ; Myopia - surgery ; Ophthalmology ; Pharmaceutical Sciences/Technology ; Refraction, Ocular - physiology ; Retrospective Studies ; Surgery ; Surgical Oncology ; Vision disorders ; Visual Acuity - physiology ; Young Adult</subject><ispartof>Eye (London), 2011-11, Vol.25 (11), p.1409-1417</ispartof><rights>Royal College of Ophthalmologists 2011</rights><rights>2015 INIST-CNRS</rights><rights>Copyright Nature Publishing Group Nov 2011</rights><rights>Copyright © 2011 Royal College of Ophthalmologists 2011 Royal College of Ophthalmologists</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c503t-9d2e0c4b5e9bab7d855af93eb1a23c87bece10b3ce0dac19e2efba7d0186483</citedby><cites>FETCH-LOGICAL-c503t-9d2e0c4b5e9bab7d855af93eb1a23c87bece10b3ce0dac19e2efba7d0186483</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3213644/pdf/$$EPDF$$P50$$Gpubmedcentral$$H</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3213644/$$EHTML$$P50$$Gpubmedcentral$$H</linktohtml><link.rule.ids>230,314,727,780,784,885,27924,27925,53791,53793</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=24785942$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21852802$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lee, S Y</creatorcontrib><creatorcontrib>Kwon, H J</creatorcontrib><creatorcontrib>Ahn, H S</creatorcontrib><creatorcontrib>Seo, K Y</creatorcontrib><creatorcontrib>Kim, E K</creatorcontrib><creatorcontrib>Kim, T-I</creatorcontrib><title>Comparison of patient outcomes after implantation of Visian toric implantable collamer lens and iris-fixated toric phakic intraocular lens</title><title>Eye (London)</title><addtitle>Eye</addtitle><addtitle>Eye (Lond)</addtitle><description>Purpose We compared visual and refractive outcomes after implantation of Visian toric implantable collamer lenses (toric ICLs) and iris-fixated toric pIOLs (toric Artisans). 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Although manifest cylinder power and astigmatism (calculated by using the power vector method) gradually decreased in the toric ICL group, cylinder power 1 month postoperatively increased from −2.62 to −2.75 D; astigmatism was also increased at this time in the toric Artisan group. Conclusion The two tested toric pIOLs were similar in terms of the ability to correct refractive error, as assessed 3 months postoperatively. However toric ICLs corrected astigmatism more rapidly and safely. 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Patients and methods A comparative retrospective analysis was performed. Toric ICLs were implanted into 30 eyes of 18 patients, and toric Artisans into 31 eyes of 22 recipients. We measured the logarithms of the minimum angle of resolution of uncorrected visual acuity (logMAR UCVA), logMAR of best spectacle-corrected corrected VA (logMAR BSCVA), MR, SE, and astigmatism (by the power vector method) before surgery and 1, 3, and 6 months thereafter. Differences between patients receiving each type of lens were compared by using a mixed model of repeated measures. Results Visual improvements were evident after operation in both groups. By comparing the attempted to the achieved SE values, we were able to confirm that correction of refractive error was similar in both groups. However, the logMAR UCVA was significantly higher in the toric ICL group at all postoperative time points. Although manifest cylinder power and astigmatism (calculated by using the power vector method) gradually decreased in the toric ICL group, cylinder power 1 month postoperatively increased from −2.62 to −2.75 D; astigmatism was also increased at this time in the toric Artisan group. Conclusion The two tested toric pIOLs were similar in terms of the ability to correct refractive error, as assessed 3 months postoperatively. However toric ICLs corrected astigmatism more rapidly and safely. Notably, the large difference in astigmatism level between the two groups 1 month postoperatively indicates that toric ICLs are more effective when used to correct astigmatism.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>21852802</pmid><doi>10.1038/eye.2011.176</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record>
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source MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central; Alma/SFX Local Collection
subjects 692/699
692/700/565/545
Adult
Algorithms
Astigmatism - physiopathology
Astigmatism - surgery
Biological and medical sciences
Clinical Study
Female
Humans
Laboratory Medicine
Lens Implantation, Intraocular - methods
Lenses, Intraocular
Male
Medical sciences
Medicine
Medicine & Public Health
Middle Aged
Miscellaneous
Myopia - physiopathology
Myopia - surgery
Ophthalmology
Pharmaceutical Sciences/Technology
Refraction, Ocular - physiology
Retrospective Studies
Surgery
Surgical Oncology
Vision disorders
Visual Acuity - physiology
Young Adult
title Comparison of patient outcomes after implantation of Visian toric implantable collamer lens and iris-fixated toric phakic intraocular lens
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