Long-term course of contrast sensitivity in eyes after laser-assisted in-situ keratomileusis for myopia
Purpose: To evaluate the long-term contrast sensitivity (CS) after laser in-situ keratomileusis (LASIK) for myopia. Methods: This retrospective, single-center, cohort study involved 190 eyes of 95 patients who underwent bilateral LASIK between January 2001 and October 2007. This study includes patie...
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| Veröffentlicht in: | Indian journal of ophthalmology 2020-12, Vol.68 (12), p.2981-2984 |
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| creator | Hieda, Osamu Nakamura, Yo Wakimasu, Koichi Yamamura, Kiyoshi Kinoshita, Shigeru Sotozono, Chie |
| description | Purpose: To evaluate the long-term contrast sensitivity (CS) after laser in-situ keratomileusis (LASIK) for myopia. Methods: This retrospective, single-center, cohort study involved 190 eyes of 95 patients who underwent bilateral LASIK between January 2001 and October 2007. This study includes patients who underwent CS and higher-order aberration (HOA) measurements in a five-year postoperative period. For all enrolled patients, visual acuity, refractive error (RE) in diopters (D), CS at 3-, 6-, 12-, and 18-cycles per degree (cpd), and HOA in a 4 mm area of the dilated pupil were measured before surgery and 6 months, 1 year, and 5 years after it. Results: The mean RE measured before the surgery and after 6 months, 1 year, and 5 years after was -6.08 ± 2.50D, −0.26 ± 0.65D, −0.28 ± 0.65D, and −0.48 ± 0.80D, respectively. There were no clinically significant changes between preoperative results and the measures taken 6 months, 1 year, and 5 years after surgery. The slight increase in HOA had little effect on CS over the mid to long-term postoperative period. Conclusion: Our findings show that CS does not clinically change post LASIK. Although we were unable to identify the specific mechanism, we theorize that after LASIK there is a possibility for the compensation of HOA. |
| doi_str_mv | 10.4103/ijo.IJO_1916_19 |
| format | Article |
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Methods: This retrospective, single-center, cohort study involved 190 eyes of 95 patients who underwent bilateral LASIK between January 2001 and October 2007. This study includes patients who underwent CS and higher-order aberration (HOA) measurements in a five-year postoperative period. For all enrolled patients, visual acuity, refractive error (RE) in diopters (D), CS at 3-, 6-, 12-, and 18-cycles per degree (cpd), and HOA in a 4 mm area of the dilated pupil were measured before surgery and 6 months, 1 year, and 5 years after it. Results: The mean RE measured before the surgery and after 6 months, 1 year, and 5 years after was -6.08 ± 2.50D, −0.26 ± 0.65D, −0.28 ± 0.65D, and −0.48 ± 0.80D, respectively. There were no clinically significant changes between preoperative results and the measures taken 6 months, 1 year, and 5 years after surgery. The slight increase in HOA had little effect on CS over the mid to long-term postoperative period. Conclusion: Our findings show that CS does not clinically change post LASIK. Although we were unable to identify the specific mechanism, we theorize that after LASIK there is a possibility for the compensation of HOA.</description><identifier>ISSN: 0301-4738</identifier><identifier>EISSN: 1998-3689</identifier><identifier>DOI: 10.4103/ijo.IJO_1916_19</identifier><identifier>PMID: 33229681</identifier><language>eng</language><publisher>India: Wolters Kluwer India Pvt. Ltd</publisher><subject>Acuity ; Care and treatment ; Cohort Studies ; Contrast Sensitivity ; Contrast sensitivity (Vision) ; Health aspects ; Humans ; Keratomileusis, Laser In Situ ; Laser in situ keratomileusis ; Lasers, Excimer - therapeutic use ; Myopia ; Myopia - diagnosis ; Myopia - surgery ; Original ; Patient outcomes ; Postoperative period ; Refraction, Ocular ; Retrospective Studies ; Surgery ; Treatment Outcome</subject><ispartof>Indian journal of ophthalmology, 2020-12, Vol.68 (12), p.2981-2984</ispartof><rights>COPYRIGHT 2020 Medknow Publications and Media Pvt. Ltd.</rights><rights>2020. This article is published under (http://creativecommons.org/licenses/by-nc-sa/3.0/) (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>Copyright: © 2020 Indian Journal of Ophthalmology 2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c559t-93c7fc6835e61a765ef764558dc122cbe6d9d455fdeb32b9549f303de8194c533</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/PMC7857006/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7857006/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,27437,27903,27904,53770,53772</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33229681$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hieda, Osamu</creatorcontrib><creatorcontrib>Nakamura, Yo</creatorcontrib><creatorcontrib>Wakimasu, Koichi</creatorcontrib><creatorcontrib>Yamamura, Kiyoshi</creatorcontrib><creatorcontrib>Kinoshita, Shigeru</creatorcontrib><creatorcontrib>Sotozono, Chie</creatorcontrib><title>Long-term course of contrast sensitivity in eyes after laser-assisted in-situ keratomileusis for myopia</title><title>Indian journal of ophthalmology</title><addtitle>Indian J Ophthalmol</addtitle><description>Purpose: To evaluate the long-term contrast sensitivity (CS) after laser in-situ keratomileusis (LASIK) for myopia. Methods: This retrospective, single-center, cohort study involved 190 eyes of 95 patients who underwent bilateral LASIK between January 2001 and October 2007. This study includes patients who underwent CS and higher-order aberration (HOA) measurements in a five-year postoperative period. For all enrolled patients, visual acuity, refractive error (RE) in diopters (D), CS at 3-, 6-, 12-, and 18-cycles per degree (cpd), and HOA in a 4 mm area of the dilated pupil were measured before surgery and 6 months, 1 year, and 5 years after it. Results: The mean RE measured before the surgery and after 6 months, 1 year, and 5 years after was -6.08 ± 2.50D, −0.26 ± 0.65D, −0.28 ± 0.65D, and −0.48 ± 0.80D, respectively. There were no clinically significant changes between preoperative results and the measures taken 6 months, 1 year, and 5 years after surgery. The slight increase in HOA had little effect on CS over the mid to long-term postoperative period. Conclusion: Our findings show that CS does not clinically change post LASIK. Although we were unable to identify the specific mechanism, we theorize that after LASIK there is a possibility for the compensation of HOA.</description><subject>Acuity</subject><subject>Care and treatment</subject><subject>Cohort Studies</subject><subject>Contrast Sensitivity</subject><subject>Contrast sensitivity (Vision)</subject><subject>Health aspects</subject><subject>Humans</subject><subject>Keratomileusis, Laser In Situ</subject><subject>Laser in situ keratomileusis</subject><subject>Lasers, Excimer - therapeutic use</subject><subject>Myopia</subject><subject>Myopia - diagnosis</subject><subject>Myopia - surgery</subject><subject>Original</subject><subject>Patient outcomes</subject><subject>Postoperative period</subject><subject>Refraction, Ocular</subject><subject>Retrospective Studies</subject><subject>Surgery</subject><subject>Treatment Outcome</subject><issn>0301-4738</issn><issn>1998-3689</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp1kktvEzEUhUcIRNPCmh0aiQ2bSe3xY-wNUlVBKYrUDbC1HM_14GTGDvZMo_x7HKUNLQqy5Ifud491j05RvMNoTjEil24V5rff7hSWmOftRTHDUoqKcCFfFjNEEK5oQ8RZcZ7SCiHSYCleF2eE1LXkAs-KbhF8V40Qh9KEKSYog803P0adxjKBT250927clc6XsINUapvpstcJYqVTcmmENherDE7lGqIew-B6mHKltCGWwy5snH5TvLK6T_D24bwofnz5_P36a7W4u7m9vlpUhjE5VpKYxhouCAOOdcMZ2IZTxkRrcF2bJfBWtvltW1iSeikZlZYg0oLAkhpGyEXx6aC7mZYDtAb2k_RqE92g404F7dTzine_VBfuVSNYgxDPAh8fBGL4PUEa1eCSgb7XHsKUVE05xZRShDP64R90lS30eTxVM1JzRAQhf6lO96CctyH_a_ai6opTQjBmrM5UdYLqwGdD--DBZkuf8_MTfF4tDM6cbLg8NJgYUopgj55gpPZZUjlL6kmWcsf7p1Ye-cfwZODnAdiGPmcirftpC1Fldu3D9n-6qpYCq2Ps1CF2Klj1GDvyBzHH5UE</recordid><startdate>20201201</startdate><enddate>20201201</enddate><creator>Hieda, Osamu</creator><creator>Nakamura, Yo</creator><creator>Wakimasu, Koichi</creator><creator>Yamamura, Kiyoshi</creator><creator>Kinoshita, Shigeru</creator><creator>Sotozono, Chie</creator><general>Wolters Kluwer India Pvt. 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Nakamura, Yo ; Wakimasu, Koichi ; Yamamura, Kiyoshi ; Kinoshita, Shigeru ; Sotozono, Chie</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c559t-93c7fc6835e61a765ef764558dc122cbe6d9d455fdeb32b9549f303de8194c533</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Acuity</topic><topic>Care and treatment</topic><topic>Cohort Studies</topic><topic>Contrast Sensitivity</topic><topic>Contrast sensitivity (Vision)</topic><topic>Health aspects</topic><topic>Humans</topic><topic>Keratomileusis, Laser In Situ</topic><topic>Laser in situ keratomileusis</topic><topic>Lasers, Excimer - therapeutic use</topic><topic>Myopia</topic><topic>Myopia - diagnosis</topic><topic>Myopia - surgery</topic><topic>Original</topic><topic>Patient outcomes</topic><topic>Postoperative period</topic><topic>Refraction, Ocular</topic><topic>Retrospective Studies</topic><topic>Surgery</topic><topic>Treatment Outcome</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hieda, Osamu</creatorcontrib><creatorcontrib>Nakamura, Yo</creatorcontrib><creatorcontrib>Wakimasu, Koichi</creatorcontrib><creatorcontrib>Yamamura, Kiyoshi</creatorcontrib><creatorcontrib>Kinoshita, Shigeru</creatorcontrib><creatorcontrib>Sotozono, Chie</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Immunology Abstracts</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Research Library</collection><collection>Research Library (Corporate)</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Indian journal of ophthalmology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hieda, Osamu</au><au>Nakamura, Yo</au><au>Wakimasu, Koichi</au><au>Yamamura, Kiyoshi</au><au>Kinoshita, Shigeru</au><au>Sotozono, Chie</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Long-term course of contrast sensitivity in eyes after laser-assisted in-situ keratomileusis for myopia</atitle><jtitle>Indian journal of ophthalmology</jtitle><addtitle>Indian J Ophthalmol</addtitle><date>2020-12-01</date><risdate>2020</risdate><volume>68</volume><issue>12</issue><spage>2981</spage><epage>2984</epage><pages>2981-2984</pages><issn>0301-4738</issn><eissn>1998-3689</eissn><abstract>Purpose: To evaluate the long-term contrast sensitivity (CS) after laser in-situ keratomileusis (LASIK) for myopia. Methods: This retrospective, single-center, cohort study involved 190 eyes of 95 patients who underwent bilateral LASIK between January 2001 and October 2007. This study includes patients who underwent CS and higher-order aberration (HOA) measurements in a five-year postoperative period. For all enrolled patients, visual acuity, refractive error (RE) in diopters (D), CS at 3-, 6-, 12-, and 18-cycles per degree (cpd), and HOA in a 4 mm area of the dilated pupil were measured before surgery and 6 months, 1 year, and 5 years after it. Results: The mean RE measured before the surgery and after 6 months, 1 year, and 5 years after was -6.08 ± 2.50D, −0.26 ± 0.65D, −0.28 ± 0.65D, and −0.48 ± 0.80D, respectively. There were no clinically significant changes between preoperative results and the measures taken 6 months, 1 year, and 5 years after surgery. The slight increase in HOA had little effect on CS over the mid to long-term postoperative period. Conclusion: Our findings show that CS does not clinically change post LASIK. Although we were unable to identify the specific mechanism, we theorize that after LASIK there is a possibility for the compensation of HOA.</abstract><cop>India</cop><pub>Wolters Kluwer India Pvt. Ltd</pub><pmid>33229681</pmid><doi>10.4103/ijo.IJO_1916_19</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Acuity Care and treatment Cohort Studies Contrast Sensitivity Contrast sensitivity (Vision) Health aspects Humans Keratomileusis, Laser In Situ Laser in situ keratomileusis Lasers, Excimer - therapeutic use Myopia Myopia - diagnosis Myopia - surgery Original Patient outcomes Postoperative period Refraction, Ocular Retrospective Studies Surgery Treatment Outcome |
| title | Long-term course of contrast sensitivity in eyes after laser-assisted in-situ keratomileusis for myopia |
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