Effect of laser in situ keratomileusis on retinal nerve fiber layer thickness measurements by scanning laser polarimetry
Purpose: To determine the effect of laser in situ keratomileusis (LASIK) on retinal nerve fiber layer measurements by scanning laser polarimetry in a large clinical trial. Setting: Asan Medical Center, University of Ulsan, Department of Ophthalmology, Seoul, Korea. Methods: Scanning laser polarimetr...
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| Veröffentlicht in: | Journal of cataract and refractive surgery 2002-04, Vol.28 (4), p.670-675 |
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| container_title | Journal of cataract and refractive surgery |
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| creator | Kook, Michael S Lee, Sang-un Tchah, Hung-won Sung, Kyung-rim Park, Ryu-hwa Kim, Kyung-rhee |
| description | Purpose:
To determine the effect of laser in situ keratomileusis (LASIK) on retinal nerve fiber layer measurements by scanning laser polarimetry in a large clinical trial.
Setting:
Asan Medical Center, University of Ulsan, Department of Ophthalmology, Seoul, Korea.
Methods:
Scanning laser polarimetry measurements were performed in 59 eyes of 59 consecutive patients who had LASIK. The mean retardation values of the whole measurement ellipse and of the superior, inferior, temporal, and nasal sectors of the ellipse before and after LASIK were compared statistically.
Results:
The mean spherical equivalent refractive error was −6.10 diopters (D) ± 2.34 (SD) (range −1.19 to –15.50 D) preoperatively and –0.31 ± 0.52 D (range +0.68 to –2.13 D) postoperatively. The mean ablation depth was 94.0 ± 30.49 μm (range 28.0 to 161.1 μm). The mean postoperative retardation values of all the sectors and of the superior, temporal, inferior, and nasal sectors showed reduced nerve fiber layer thickness (
P = .000,
P = .000,
P = .011,
P = .000, and
P= .002, respectively).
Conclusion:
Laser in situ keratomileusis affected nerve fiber layer thickness measurements by scanning laser polarimetry. The change in nerve fiber layer thickness was probably due to modification of the corneal architecture. This effect of keratorefractive surgery should be considered when using scanning laser polarimetry as a diagnostic and follow-up tool for glaucoma. |
| doi_str_mv | 10.1016/S0886-3350(01)01310-4 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_71603699</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><els_id>S0886335001013104</els_id><sourcerecordid>71603699</sourcerecordid><originalsourceid>FETCH-LOGICAL-c391t-a242e0142bc7adb806b4101e834a34ce1a01b4afb9946a8b6e6de27a6b4e4c623</originalsourceid><addsrcrecordid>eNqFkU1v1DAQQC1ERZeFnwDyBQSHgB073vhUoapApUo9AGdr4kzANHEWj1Ox_x63G9FjfRhf3ny9YeyVFB-kkObjN9G2plKqEe-EfC-kkqLST9hGtjtV6UbUT9nmP3LKnhP9FkLoWjXP2KmUtmmssBv292IY0Gc-D3wEwsRD5BTywm8wQZ6nMOJCgfgcecIcIow8YrpFPoSu0CMcSsy_gr-JSMQnBFoSThgz8e7AyUOMIf5ci-_nEVKYMKfDC3YywEj4cv237Mfni-_nX6ur6y-X55-uKq-szBXUukYhdd35HfRdK0yny_7YKg1Ke5QgZKdh6KzVBtrOoOmx3kHBUHtTqy17e6y7T_OfBSm7KZDHcYSI80JuJ41QxtoCNkfQp5ko4eD2ZVRIByeFu1Pu7pW7O59OSHev3OmS93ptsHQT9g9Zq-MCvFkBKDrGIUH0gR441dhGlbdlZ0cOi47bgMmRDxg99iGVE7l-Do-M8g-p0qAV</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>71603699</pqid></control><display><type>article</type><title>Effect of laser in situ keratomileusis on retinal nerve fiber layer thickness measurements by scanning laser polarimetry</title><source>MEDLINE</source><source>Elsevier ScienceDirect Journals</source><creator>Kook, Michael S ; Lee, Sang-un ; Tchah, Hung-won ; Sung, Kyung-rim ; Park, Ryu-hwa ; Kim, Kyung-rhee</creator><creatorcontrib>Kook, Michael S ; Lee, Sang-un ; Tchah, Hung-won ; Sung, Kyung-rim ; Park, Ryu-hwa ; Kim, Kyung-rhee</creatorcontrib><description>Purpose:
To determine the effect of laser in situ keratomileusis (LASIK) on retinal nerve fiber layer measurements by scanning laser polarimetry in a large clinical trial.
Setting:
Asan Medical Center, University of Ulsan, Department of Ophthalmology, Seoul, Korea.
Methods:
Scanning laser polarimetry measurements were performed in 59 eyes of 59 consecutive patients who had LASIK. The mean retardation values of the whole measurement ellipse and of the superior, inferior, temporal, and nasal sectors of the ellipse before and after LASIK were compared statistically.
Results:
The mean spherical equivalent refractive error was −6.10 diopters (D) ± 2.34 (SD) (range −1.19 to –15.50 D) preoperatively and –0.31 ± 0.52 D (range +0.68 to –2.13 D) postoperatively. The mean ablation depth was 94.0 ± 30.49 μm (range 28.0 to 161.1 μm). The mean postoperative retardation values of all the sectors and of the superior, temporal, inferior, and nasal sectors showed reduced nerve fiber layer thickness (
P = .000,
P = .000,
P = .011,
P = .000, and
P= .002, respectively).
Conclusion:
Laser in situ keratomileusis affected nerve fiber layer thickness measurements by scanning laser polarimetry. The change in nerve fiber layer thickness was probably due to modification of the corneal architecture. This effect of keratorefractive surgery should be considered when using scanning laser polarimetry as a diagnostic and follow-up tool for glaucoma.</description><identifier>ISSN: 0886-3350</identifier><identifier>EISSN: 1873-4502</identifier><identifier>DOI: 10.1016/S0886-3350(01)01310-4</identifier><identifier>PMID: 11955909</identifier><identifier>CODEN: JCSUEV</identifier><language>eng</language><publisher>New York, NY: Elsevier Inc</publisher><subject>Adolescent ; Adult ; Anthropometry ; Biological and medical sciences ; Cornea - surgery ; Female ; Humans ; Keratomileusis, Laser In Situ ; Lasers ; Male ; Medical sciences ; Middle Aged ; Myopia - surgery ; Nerve Fibers ; Optic Nerve - anatomy & histology ; Prospective Studies ; Retinal Ganglion Cells - cytology ; Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases ; Surgery of the eye and orbit ; Visual Field Tests - methods</subject><ispartof>Journal of cataract and refractive surgery, 2002-04, Vol.28 (4), p.670-675</ispartof><rights>2002 ASCRS and ESCRS</rights><rights>2002 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c391t-a242e0142bc7adb806b4101e834a34ce1a01b4afb9946a8b6e6de27a6b4e4c623</citedby><cites>FETCH-LOGICAL-c391t-a242e0142bc7adb806b4101e834a34ce1a01b4afb9946a8b6e6de27a6b4e4c623</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0886335001013104$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13595333$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11955909$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kook, Michael S</creatorcontrib><creatorcontrib>Lee, Sang-un</creatorcontrib><creatorcontrib>Tchah, Hung-won</creatorcontrib><creatorcontrib>Sung, Kyung-rim</creatorcontrib><creatorcontrib>Park, Ryu-hwa</creatorcontrib><creatorcontrib>Kim, Kyung-rhee</creatorcontrib><title>Effect of laser in situ keratomileusis on retinal nerve fiber layer thickness measurements by scanning laser polarimetry</title><title>Journal of cataract and refractive surgery</title><addtitle>J Cataract Refract Surg</addtitle><description>Purpose:
To determine the effect of laser in situ keratomileusis (LASIK) on retinal nerve fiber layer measurements by scanning laser polarimetry in a large clinical trial.
Setting:
Asan Medical Center, University of Ulsan, Department of Ophthalmology, Seoul, Korea.
Methods:
Scanning laser polarimetry measurements were performed in 59 eyes of 59 consecutive patients who had LASIK. The mean retardation values of the whole measurement ellipse and of the superior, inferior, temporal, and nasal sectors of the ellipse before and after LASIK were compared statistically.
Results:
The mean spherical equivalent refractive error was −6.10 diopters (D) ± 2.34 (SD) (range −1.19 to –15.50 D) preoperatively and –0.31 ± 0.52 D (range +0.68 to –2.13 D) postoperatively. The mean ablation depth was 94.0 ± 30.49 μm (range 28.0 to 161.1 μm). The mean postoperative retardation values of all the sectors and of the superior, temporal, inferior, and nasal sectors showed reduced nerve fiber layer thickness (
P = .000,
P = .000,
P = .011,
P = .000, and
P= .002, respectively).
Conclusion:
Laser in situ keratomileusis affected nerve fiber layer thickness measurements by scanning laser polarimetry. The change in nerve fiber layer thickness was probably due to modification of the corneal architecture. This effect of keratorefractive surgery should be considered when using scanning laser polarimetry as a diagnostic and follow-up tool for glaucoma.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Anthropometry</subject><subject>Biological and medical sciences</subject><subject>Cornea - surgery</subject><subject>Female</subject><subject>Humans</subject><subject>Keratomileusis, Laser In Situ</subject><subject>Lasers</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Myopia - surgery</subject><subject>Nerve Fibers</subject><subject>Optic Nerve - anatomy & histology</subject><subject>Prospective Studies</subject><subject>Retinal Ganglion Cells - cytology</subject><subject>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</subject><subject>Surgery of the eye and orbit</subject><subject>Visual Field Tests - methods</subject><issn>0886-3350</issn><issn>1873-4502</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU1v1DAQQC1ERZeFnwDyBQSHgB073vhUoapApUo9AGdr4kzANHEWj1Ox_x63G9FjfRhf3ny9YeyVFB-kkObjN9G2plKqEe-EfC-kkqLST9hGtjtV6UbUT9nmP3LKnhP9FkLoWjXP2KmUtmmssBv292IY0Gc-D3wEwsRD5BTywm8wQZ6nMOJCgfgcecIcIow8YrpFPoSu0CMcSsy_gr-JSMQnBFoSThgz8e7AyUOMIf5ci-_nEVKYMKfDC3YywEj4cv237Mfni-_nX6ur6y-X55-uKq-szBXUukYhdd35HfRdK0yny_7YKg1Ke5QgZKdh6KzVBtrOoOmx3kHBUHtTqy17e6y7T_OfBSm7KZDHcYSI80JuJ41QxtoCNkfQp5ko4eD2ZVRIByeFu1Pu7pW7O59OSHev3OmS93ptsHQT9g9Zq-MCvFkBKDrGIUH0gR441dhGlbdlZ0cOi47bgMmRDxg99iGVE7l-Do-M8g-p0qAV</recordid><startdate>20020401</startdate><enddate>20020401</enddate><creator>Kook, Michael S</creator><creator>Lee, Sang-un</creator><creator>Tchah, Hung-won</creator><creator>Sung, Kyung-rim</creator><creator>Park, Ryu-hwa</creator><creator>Kim, Kyung-rhee</creator><general>Elsevier Inc</general><general>Elsevier Science</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20020401</creationdate><title>Effect of laser in situ keratomileusis on retinal nerve fiber layer thickness measurements by scanning laser polarimetry</title><author>Kook, Michael S ; Lee, Sang-un ; Tchah, Hung-won ; Sung, Kyung-rim ; Park, Ryu-hwa ; Kim, Kyung-rhee</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c391t-a242e0142bc7adb806b4101e834a34ce1a01b4afb9946a8b6e6de27a6b4e4c623</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Anthropometry</topic><topic>Biological and medical sciences</topic><topic>Cornea - surgery</topic><topic>Female</topic><topic>Humans</topic><topic>Keratomileusis, Laser In Situ</topic><topic>Lasers</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Myopia - surgery</topic><topic>Nerve Fibers</topic><topic>Optic Nerve - anatomy & histology</topic><topic>Prospective Studies</topic><topic>Retinal Ganglion Cells - cytology</topic><topic>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</topic><topic>Surgery of the eye and orbit</topic><topic>Visual Field Tests - methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kook, Michael S</creatorcontrib><creatorcontrib>Lee, Sang-un</creatorcontrib><creatorcontrib>Tchah, Hung-won</creatorcontrib><creatorcontrib>Sung, Kyung-rim</creatorcontrib><creatorcontrib>Park, Ryu-hwa</creatorcontrib><creatorcontrib>Kim, Kyung-rhee</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of cataract and refractive surgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kook, Michael S</au><au>Lee, Sang-un</au><au>Tchah, Hung-won</au><au>Sung, Kyung-rim</au><au>Park, Ryu-hwa</au><au>Kim, Kyung-rhee</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of laser in situ keratomileusis on retinal nerve fiber layer thickness measurements by scanning laser polarimetry</atitle><jtitle>Journal of cataract and refractive surgery</jtitle><addtitle>J Cataract Refract Surg</addtitle><date>2002-04-01</date><risdate>2002</risdate><volume>28</volume><issue>4</issue><spage>670</spage><epage>675</epage><pages>670-675</pages><issn>0886-3350</issn><eissn>1873-4502</eissn><coden>JCSUEV</coden><abstract>Purpose:
To determine the effect of laser in situ keratomileusis (LASIK) on retinal nerve fiber layer measurements by scanning laser polarimetry in a large clinical trial.
Setting:
Asan Medical Center, University of Ulsan, Department of Ophthalmology, Seoul, Korea.
Methods:
Scanning laser polarimetry measurements were performed in 59 eyes of 59 consecutive patients who had LASIK. The mean retardation values of the whole measurement ellipse and of the superior, inferior, temporal, and nasal sectors of the ellipse before and after LASIK were compared statistically.
Results:
The mean spherical equivalent refractive error was −6.10 diopters (D) ± 2.34 (SD) (range −1.19 to –15.50 D) preoperatively and –0.31 ± 0.52 D (range +0.68 to –2.13 D) postoperatively. The mean ablation depth was 94.0 ± 30.49 μm (range 28.0 to 161.1 μm). The mean postoperative retardation values of all the sectors and of the superior, temporal, inferior, and nasal sectors showed reduced nerve fiber layer thickness (
P = .000,
P = .000,
P = .011,
P = .000, and
P= .002, respectively).
Conclusion:
Laser in situ keratomileusis affected nerve fiber layer thickness measurements by scanning laser polarimetry. The change in nerve fiber layer thickness was probably due to modification of the corneal architecture. This effect of keratorefractive surgery should be considered when using scanning laser polarimetry as a diagnostic and follow-up tool for glaucoma.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><pmid>11955909</pmid><doi>10.1016/S0886-3350(01)01310-4</doi><tpages>6</tpages></addata></record> |
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| ispartof | Journal of cataract and refractive surgery, 2002-04, Vol.28 (4), p.670-675 |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Adolescent Adult Anthropometry Biological and medical sciences Cornea - surgery Female Humans Keratomileusis, Laser In Situ Lasers Male Medical sciences Middle Aged Myopia - surgery Nerve Fibers Optic Nerve - anatomy & histology Prospective Studies Retinal Ganglion Cells - cytology Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases Surgery of the eye and orbit Visual Field Tests - methods |
| title | Effect of laser in situ keratomileusis on retinal nerve fiber layer thickness measurements by scanning laser polarimetry |
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