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Clinical utility of femtosecond laser-assisted astigmatic keratotomy after cataract surgery
Purpose To examine the clinical utility of femtosecond laser-assisted astigmatic keratotomy (FSL-AK) for eyes after cataract surgery. Methods Eight eyes of 6 patients with an intraocular lens and corneal astigmatism of 2.0 diopters (D) or more underwent FSL-AK. The mean preoperative manifest cylindr...
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| Published in: | Japanese journal of ophthalmology 2015-07, Vol.59 (4), p.209-215 |
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| cites | cdi_FETCH-LOGICAL-c466t-375e3b4bc64848771cf033d56c12f91ac7f66a668bb00a7752abddd92f2d498d3 |
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| container_title | Japanese journal of ophthalmology |
| container_volume | 59 |
| creator | Nejima, Ryohei Terada, Yukiko Mori, Yosai Ogata, Miyuki Minami, Keiichiro Miyata, Kazunori |
| description | Purpose
To examine the clinical utility of femtosecond laser-assisted astigmatic keratotomy (FSL-AK) for eyes after cataract surgery.
Methods
Eight eyes of 6 patients with an intraocular lens and corneal astigmatism of 2.0 diopters (D) or more underwent FSL-AK. The mean preoperative manifest cylindrical refraction was 2.88 ± 0.64 D and the mean corneal astigmatism was 2.84 ± 0.83 D. Paired symmetrical arcuate incisions were created with the same settings, except for the incision depth. Uncorrected distance visual acuity (UDVA), manifest cylindrical power, and surgically induced astigmatism (SIA) were measured at 1 day, 1 week, and 1 month postoperatively. Fourier analysis of corneal topography and incision depths measured with anterior-segment optical coherence tomography were evaluated 1 month postoperatively.
Results
In all eyes, the UDVA improved at 1 week and 1 month postoperatively, and the manifest cylinder also decreased postoperatively, while the SIA showed overcorrections in 6 eyes. Fourier analysis showed decreases in spherical and regular astigmatic components and increases in higher-order irregularity. The mean incision depth was measured as 60 µm deeper than the intended depth.
Conclusion
The FSL-AK effectively reduced corneal astigmatism and improved the UDVA, although it was demonstrated that the deeper incisions led to overcorrection. |
| doi_str_mv | 10.1007/s10384-015-0383-3 |
| format | article |
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To examine the clinical utility of femtosecond laser-assisted astigmatic keratotomy (FSL-AK) for eyes after cataract surgery.
Methods
Eight eyes of 6 patients with an intraocular lens and corneal astigmatism of 2.0 diopters (D) or more underwent FSL-AK. The mean preoperative manifest cylindrical refraction was 2.88 ± 0.64 D and the mean corneal astigmatism was 2.84 ± 0.83 D. Paired symmetrical arcuate incisions were created with the same settings, except for the incision depth. Uncorrected distance visual acuity (UDVA), manifest cylindrical power, and surgically induced astigmatism (SIA) were measured at 1 day, 1 week, and 1 month postoperatively. Fourier analysis of corneal topography and incision depths measured with anterior-segment optical coherence tomography were evaluated 1 month postoperatively.
Results
In all eyes, the UDVA improved at 1 week and 1 month postoperatively, and the manifest cylinder also decreased postoperatively, while the SIA showed overcorrections in 6 eyes. Fourier analysis showed decreases in spherical and regular astigmatic components and increases in higher-order irregularity. The mean incision depth was measured as 60 µm deeper than the intended depth.
Conclusion
The FSL-AK effectively reduced corneal astigmatism and improved the UDVA, although it was demonstrated that the deeper incisions led to overcorrection.</description><identifier>ISSN: 0021-5155</identifier><identifier>EISSN: 1613-2246</identifier><identifier>DOI: 10.1007/s10384-015-0383-3</identifier><identifier>PMID: 25990805</identifier><language>eng</language><publisher>Tokyo: Springer Japan</publisher><subject>Aged ; Aged, 80 and over ; Astigmatism - etiology ; Astigmatism - physiopathology ; Astigmatism - surgery ; Cataract Extraction - adverse effects ; Clinical Investigation ; Cornea - physiopathology ; Cornea - surgery ; Corneal Topography ; Female ; Fourier Analysis ; Humans ; Laser Therapy ; Lasers, Excimer - therapeutic use ; Lens Implantation, Intraocular ; Male ; Medicine ; Medicine & Public Health ; Middle Aged ; Ophthalmology ; Prospective Studies ; Refraction, Ocular - physiology ; Tomography, Optical Coherence ; Visual Acuity - physiology</subject><ispartof>Japanese journal of ophthalmology, 2015-07, Vol.59 (4), p.209-215</ispartof><rights>Japanese Ophthalmological Society 2015</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c466t-375e3b4bc64848771cf033d56c12f91ac7f66a668bb00a7752abddd92f2d498d3</citedby><cites>FETCH-LOGICAL-c466t-375e3b4bc64848771cf033d56c12f91ac7f66a668bb00a7752abddd92f2d498d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,27905,27906</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25990805$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Nejima, Ryohei</creatorcontrib><creatorcontrib>Terada, Yukiko</creatorcontrib><creatorcontrib>Mori, Yosai</creatorcontrib><creatorcontrib>Ogata, Miyuki</creatorcontrib><creatorcontrib>Minami, Keiichiro</creatorcontrib><creatorcontrib>Miyata, Kazunori</creatorcontrib><title>Clinical utility of femtosecond laser-assisted astigmatic keratotomy after cataract surgery</title><title>Japanese journal of ophthalmology</title><addtitle>Jpn J Ophthalmol</addtitle><addtitle>Jpn J Ophthalmol</addtitle><description>Purpose
To examine the clinical utility of femtosecond laser-assisted astigmatic keratotomy (FSL-AK) for eyes after cataract surgery.
Methods
Eight eyes of 6 patients with an intraocular lens and corneal astigmatism of 2.0 diopters (D) or more underwent FSL-AK. The mean preoperative manifest cylindrical refraction was 2.88 ± 0.64 D and the mean corneal astigmatism was 2.84 ± 0.83 D. Paired symmetrical arcuate incisions were created with the same settings, except for the incision depth. Uncorrected distance visual acuity (UDVA), manifest cylindrical power, and surgically induced astigmatism (SIA) were measured at 1 day, 1 week, and 1 month postoperatively. Fourier analysis of corneal topography and incision depths measured with anterior-segment optical coherence tomography were evaluated 1 month postoperatively.
Results
In all eyes, the UDVA improved at 1 week and 1 month postoperatively, and the manifest cylinder also decreased postoperatively, while the SIA showed overcorrections in 6 eyes. Fourier analysis showed decreases in spherical and regular astigmatic components and increases in higher-order irregularity. The mean incision depth was measured as 60 µm deeper than the intended depth.
Conclusion
The FSL-AK effectively reduced corneal astigmatism and improved the UDVA, although it was demonstrated that the deeper incisions led to overcorrection.</description><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Astigmatism - etiology</subject><subject>Astigmatism - physiopathology</subject><subject>Astigmatism - surgery</subject><subject>Cataract Extraction - adverse effects</subject><subject>Clinical Investigation</subject><subject>Cornea - physiopathology</subject><subject>Cornea - surgery</subject><subject>Corneal Topography</subject><subject>Female</subject><subject>Fourier Analysis</subject><subject>Humans</subject><subject>Laser Therapy</subject><subject>Lasers, Excimer - therapeutic use</subject><subject>Lens Implantation, Intraocular</subject><subject>Male</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Middle Aged</subject><subject>Ophthalmology</subject><subject>Prospective Studies</subject><subject>Refraction, Ocular - physiology</subject><subject>Tomography, Optical Coherence</subject><subject>Visual Acuity - physiology</subject><issn>0021-5155</issn><issn>1613-2246</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp1kE1rFTEUhoMo9rb1B7iRgBs3sSffM0u5VCsU3Oiqi5DJR0mdmdQks7j_vrncKiK4yoE873sOD0JvKXykAPqqUuCDIEAl6QMn_AXaUUU5YUyol2gHwCiRVMozdF7rAwAIxtlrdMbkOMIAcofu9nNak7Mz3lqaUzvgHHEMS8s1uLx6PNsaCrG1ptqCx7a2dL_Ylhz-GYptueXlgG1soWBnmy3WNVy3ch_K4RK9inau4c3ze4F-fL7-vr8ht9--fN1_uiVOKNUI1zLwSUxOiUEMWlMXgXMvlaMsjtQ6HZWySg3TBGC1lsxO3vuRRebFOHh-gT6ceh9L_rWF2sySqgvzbNeQt2qoGnsaGAwdff8P-pC3svbrjpQclRaj7hQ9Ua7kWkuI5rGkxZaDoWCO5s3JvOnmzdG84T3z7rl5m5bg_yR-q-4AOwG1f63dz1-r_9v6BEpyjuY</recordid><startdate>20150701</startdate><enddate>20150701</enddate><creator>Nejima, Ryohei</creator><creator>Terada, Yukiko</creator><creator>Mori, Yosai</creator><creator>Ogata, Miyuki</creator><creator>Minami, Keiichiro</creator><creator>Miyata, Kazunori</creator><general>Springer Japan</general><general>Springer Nature B.V</general><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>3V.</scope><scope>7QL</scope><scope>7T7</scope><scope>7U9</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8FD</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>H94</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>M7N</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope></search><sort><creationdate>20150701</creationdate><title>Clinical utility of femtosecond laser-assisted astigmatic keratotomy after cataract surgery</title><author>Nejima, Ryohei ; Terada, Yukiko ; Mori, Yosai ; Ogata, Miyuki ; Minami, Keiichiro ; Miyata, Kazunori</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c466t-375e3b4bc64848771cf033d56c12f91ac7f66a668bb00a7752abddd92f2d498d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Astigmatism - etiology</topic><topic>Astigmatism - physiopathology</topic><topic>Astigmatism - surgery</topic><topic>Cataract Extraction - adverse effects</topic><topic>Clinical Investigation</topic><topic>Cornea - physiopathology</topic><topic>Cornea - surgery</topic><topic>Corneal Topography</topic><topic>Female</topic><topic>Fourier Analysis</topic><topic>Humans</topic><topic>Laser Therapy</topic><topic>Lasers, Excimer - therapeutic use</topic><topic>Lens Implantation, Intraocular</topic><topic>Male</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Middle Aged</topic><topic>Ophthalmology</topic><topic>Prospective Studies</topic><topic>Refraction, Ocular - physiology</topic><topic>Tomography, Optical Coherence</topic><topic>Visual Acuity - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nejima, Ryohei</creatorcontrib><creatorcontrib>Terada, Yukiko</creatorcontrib><creatorcontrib>Mori, Yosai</creatorcontrib><creatorcontrib>Ogata, Miyuki</creatorcontrib><creatorcontrib>Minami, Keiichiro</creatorcontrib><creatorcontrib>Miyata, Kazunori</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>Bacteriology Abstracts (Microbiology B)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Virology and AIDS Abstracts</collection><collection>ProQuest Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Technology Research Database</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central</collection><collection>ProQuest Central</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</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>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</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>MEDLINE - Academic</collection><jtitle>Japanese journal of ophthalmology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nejima, Ryohei</au><au>Terada, Yukiko</au><au>Mori, Yosai</au><au>Ogata, Miyuki</au><au>Minami, Keiichiro</au><au>Miyata, Kazunori</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Clinical utility of femtosecond laser-assisted astigmatic keratotomy after cataract surgery</atitle><jtitle>Japanese journal of ophthalmology</jtitle><stitle>Jpn J Ophthalmol</stitle><addtitle>Jpn J Ophthalmol</addtitle><date>2015-07-01</date><risdate>2015</risdate><volume>59</volume><issue>4</issue><spage>209</spage><epage>215</epage><pages>209-215</pages><issn>0021-5155</issn><eissn>1613-2246</eissn><abstract>Purpose
To examine the clinical utility of femtosecond laser-assisted astigmatic keratotomy (FSL-AK) for eyes after cataract surgery.
Methods
Eight eyes of 6 patients with an intraocular lens and corneal astigmatism of 2.0 diopters (D) or more underwent FSL-AK. The mean preoperative manifest cylindrical refraction was 2.88 ± 0.64 D and the mean corneal astigmatism was 2.84 ± 0.83 D. Paired symmetrical arcuate incisions were created with the same settings, except for the incision depth. Uncorrected distance visual acuity (UDVA), manifest cylindrical power, and surgically induced astigmatism (SIA) were measured at 1 day, 1 week, and 1 month postoperatively. Fourier analysis of corneal topography and incision depths measured with anterior-segment optical coherence tomography were evaluated 1 month postoperatively.
Results
In all eyes, the UDVA improved at 1 week and 1 month postoperatively, and the manifest cylinder also decreased postoperatively, while the SIA showed overcorrections in 6 eyes. Fourier analysis showed decreases in spherical and regular astigmatic components and increases in higher-order irregularity. The mean incision depth was measured as 60 µm deeper than the intended depth.
Conclusion
The FSL-AK effectively reduced corneal astigmatism and improved the UDVA, although it was demonstrated that the deeper incisions led to overcorrection.</abstract><cop>Tokyo</cop><pub>Springer Japan</pub><pmid>25990805</pmid><doi>10.1007/s10384-015-0383-3</doi><tpages>7</tpages></addata></record> |
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| ispartof | Japanese journal of ophthalmology, 2015-07, Vol.59 (4), p.209-215 |
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| subjects | Aged Aged, 80 and over Astigmatism - etiology Astigmatism - physiopathology Astigmatism - surgery Cataract Extraction - adverse effects Clinical Investigation Cornea - physiopathology Cornea - surgery Corneal Topography Female Fourier Analysis Humans Laser Therapy Lasers, Excimer - therapeutic use Lens Implantation, Intraocular Male Medicine Medicine & Public Health Middle Aged Ophthalmology Prospective Studies Refraction, Ocular - physiology Tomography, Optical Coherence Visual Acuity - physiology |
| title | Clinical utility of femtosecond laser-assisted astigmatic keratotomy after cataract surgery |
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