A longitudinal study to evaluate effect of surgically induced astigmatism after phacoemulsification clear corneal incision placed in the steepest meridian on eyes with preexisting astigmatism
Context: Surgically induced astigmatism (SIA) is the cause of poor postoperative vision even after uneventful cataract surgery. Aims: (1) To evaluate the effect of SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of preexisting astigmatism (PEA). (2) To...
Ausführliche Beschreibung
Autor*in: |
Umesh Harakuni [verfasserIn] Anju Meena [verfasserIn] Amishi Khanna [verfasserIn] Abhinav Biala [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2016 |
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Übergeordnetes Werk: |
In: Indian Journal of Health Sciences and Biomedical Research KLEU - Wolters Kluwer Medknow Publications, 2019, 9(2016), 2, Seite 179-184 |
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Übergeordnetes Werk: |
volume:9 ; year:2016 ; number:2 ; pages:179-184 |
Links: |
Link aufrufen |
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DOI / URN: |
10.4103/2349-5006.191265 |
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Katalog-ID: |
DOAJ078065712 |
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520 | |a Context: Surgically induced astigmatism (SIA) is the cause of poor postoperative vision even after uneventful cataract surgery. Aims: (1) To evaluate the effect of SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of preexisting astigmatism (PEA). (2) To map the magnitude of SIA by incisions in superior (S) and temporal (T) positions. Settings and Design: KLES Dr. Prabhakar Kore Hospital and Medical Research Centre (MRC), Belagavi, Karnataka. Longitudinal study. Subjects and Methods: The present 1-year study was conducted in the Department of Ophthalmology, KLES Dr. Prabhakar Kore Hospital and MRC, Belagavi, on patients undergoing cataract surgery during the period of January 1, 2014,-December 31, 2014. The patients undergoing phacoemulsification with PEA ranging from 0.5 D to 1.5 D were selected for the study to evaluate SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of the PEA. Statistical Analysis Used: Paired t-test was used to calculate mean SIA. Results: The result showed average SIA recorded was 0.54 ± 0.34 D with P < 0.001 (statistically significant). The SIA through temporal incision was 0.70 ± 0.35 D and through superior incision was 0.84 ± 0.49 D. This difference of SIA comparison between temporal and superior incision was not statistically significant (P = 0.145). On taking temporal incision, the mean keratometric difference was 1.03 ± 0.96, which was statistically significant. On taking superior incision, the mean keratometric difference was 0.92 ± 0.95, which was statistically significant. Conclusions: Choosing the clear corneal incision site based on the preoperative steepest meridian significantly decreased keratometric astigmatism at the temporal and superior locations. As well as, temporal incision is evidently better than superior incision in minimizing SIA. | ||
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10.4103/2349-5006.191265 doi (DE-627)DOAJ078065712 (DE-599)DOAJbc85c0f4559842069afd680be816f44e DE-627 ger DE-627 rakwb eng Umesh Harakuni verfasserin aut A longitudinal study to evaluate effect of surgically induced astigmatism after phacoemulsification clear corneal incision placed in the steepest meridian on eyes with preexisting astigmatism 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Context: Surgically induced astigmatism (SIA) is the cause of poor postoperative vision even after uneventful cataract surgery. Aims: (1) To evaluate the effect of SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of preexisting astigmatism (PEA). (2) To map the magnitude of SIA by incisions in superior (S) and temporal (T) positions. Settings and Design: KLES Dr. Prabhakar Kore Hospital and Medical Research Centre (MRC), Belagavi, Karnataka. Longitudinal study. Subjects and Methods: The present 1-year study was conducted in the Department of Ophthalmology, KLES Dr. Prabhakar Kore Hospital and MRC, Belagavi, on patients undergoing cataract surgery during the period of January 1, 2014,-December 31, 2014. The patients undergoing phacoemulsification with PEA ranging from 0.5 D to 1.5 D were selected for the study to evaluate SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of the PEA. Statistical Analysis Used: Paired t-test was used to calculate mean SIA. Results: The result showed average SIA recorded was 0.54 ± 0.34 D with P < 0.001 (statistically significant). The SIA through temporal incision was 0.70 ± 0.35 D and through superior incision was 0.84 ± 0.49 D. This difference of SIA comparison between temporal and superior incision was not statistically significant (P = 0.145). On taking temporal incision, the mean keratometric difference was 1.03 ± 0.96, which was statistically significant. On taking superior incision, the mean keratometric difference was 0.92 ± 0.95, which was statistically significant. Conclusions: Choosing the clear corneal incision site based on the preoperative steepest meridian significantly decreased keratometric astigmatism at the temporal and superior locations. As well as, temporal incision is evidently better than superior incision in minimizing SIA. Phacoemulsification preexisting astigmatism steepest meridian surgically induced astigmatism Medicine R Anju Meena verfasserin aut Amishi Khanna verfasserin aut Abhinav Biala verfasserin aut In Indian Journal of Health Sciences and Biomedical Research KLEU Wolters Kluwer Medknow Publications, 2019 9(2016), 2, Seite 179-184 (DE-627)1683676793 25426222 nnns volume:9 year:2016 number:2 pages:179-184 https://doi.org/10.4103/2349-5006.191265 kostenfrei https://doaj.org/article/bc85c0f4559842069afd680be816f44e kostenfrei http://www.ijournalhs.org/article.asp?issn=2542-6214;year=2016;volume=9;issue=2;spage=179;epage=184;aulast=Harakuni kostenfrei https://doaj.org/toc/2542-6214 Journal toc kostenfrei https://doaj.org/toc/2542-6222 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2016 2 179-184 |
spelling |
10.4103/2349-5006.191265 doi (DE-627)DOAJ078065712 (DE-599)DOAJbc85c0f4559842069afd680be816f44e DE-627 ger DE-627 rakwb eng Umesh Harakuni verfasserin aut A longitudinal study to evaluate effect of surgically induced astigmatism after phacoemulsification clear corneal incision placed in the steepest meridian on eyes with preexisting astigmatism 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Context: Surgically induced astigmatism (SIA) is the cause of poor postoperative vision even after uneventful cataract surgery. Aims: (1) To evaluate the effect of SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of preexisting astigmatism (PEA). (2) To map the magnitude of SIA by incisions in superior (S) and temporal (T) positions. Settings and Design: KLES Dr. Prabhakar Kore Hospital and Medical Research Centre (MRC), Belagavi, Karnataka. Longitudinal study. Subjects and Methods: The present 1-year study was conducted in the Department of Ophthalmology, KLES Dr. Prabhakar Kore Hospital and MRC, Belagavi, on patients undergoing cataract surgery during the period of January 1, 2014,-December 31, 2014. The patients undergoing phacoemulsification with PEA ranging from 0.5 D to 1.5 D were selected for the study to evaluate SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of the PEA. Statistical Analysis Used: Paired t-test was used to calculate mean SIA. Results: The result showed average SIA recorded was 0.54 ± 0.34 D with P < 0.001 (statistically significant). The SIA through temporal incision was 0.70 ± 0.35 D and through superior incision was 0.84 ± 0.49 D. This difference of SIA comparison between temporal and superior incision was not statistically significant (P = 0.145). On taking temporal incision, the mean keratometric difference was 1.03 ± 0.96, which was statistically significant. On taking superior incision, the mean keratometric difference was 0.92 ± 0.95, which was statistically significant. Conclusions: Choosing the clear corneal incision site based on the preoperative steepest meridian significantly decreased keratometric astigmatism at the temporal and superior locations. As well as, temporal incision is evidently better than superior incision in minimizing SIA. Phacoemulsification preexisting astigmatism steepest meridian surgically induced astigmatism Medicine R Anju Meena verfasserin aut Amishi Khanna verfasserin aut Abhinav Biala verfasserin aut In Indian Journal of Health Sciences and Biomedical Research KLEU Wolters Kluwer Medknow Publications, 2019 9(2016), 2, Seite 179-184 (DE-627)1683676793 25426222 nnns volume:9 year:2016 number:2 pages:179-184 https://doi.org/10.4103/2349-5006.191265 kostenfrei https://doaj.org/article/bc85c0f4559842069afd680be816f44e kostenfrei http://www.ijournalhs.org/article.asp?issn=2542-6214;year=2016;volume=9;issue=2;spage=179;epage=184;aulast=Harakuni kostenfrei https://doaj.org/toc/2542-6214 Journal toc kostenfrei https://doaj.org/toc/2542-6222 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2016 2 179-184 |
allfields_unstemmed |
10.4103/2349-5006.191265 doi (DE-627)DOAJ078065712 (DE-599)DOAJbc85c0f4559842069afd680be816f44e DE-627 ger DE-627 rakwb eng Umesh Harakuni verfasserin aut A longitudinal study to evaluate effect of surgically induced astigmatism after phacoemulsification clear corneal incision placed in the steepest meridian on eyes with preexisting astigmatism 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Context: Surgically induced astigmatism (SIA) is the cause of poor postoperative vision even after uneventful cataract surgery. Aims: (1) To evaluate the effect of SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of preexisting astigmatism (PEA). (2) To map the magnitude of SIA by incisions in superior (S) and temporal (T) positions. Settings and Design: KLES Dr. Prabhakar Kore Hospital and Medical Research Centre (MRC), Belagavi, Karnataka. Longitudinal study. Subjects and Methods: The present 1-year study was conducted in the Department of Ophthalmology, KLES Dr. Prabhakar Kore Hospital and MRC, Belagavi, on patients undergoing cataract surgery during the period of January 1, 2014,-December 31, 2014. The patients undergoing phacoemulsification with PEA ranging from 0.5 D to 1.5 D were selected for the study to evaluate SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of the PEA. Statistical Analysis Used: Paired t-test was used to calculate mean SIA. Results: The result showed average SIA recorded was 0.54 ± 0.34 D with P < 0.001 (statistically significant). The SIA through temporal incision was 0.70 ± 0.35 D and through superior incision was 0.84 ± 0.49 D. This difference of SIA comparison between temporal and superior incision was not statistically significant (P = 0.145). On taking temporal incision, the mean keratometric difference was 1.03 ± 0.96, which was statistically significant. On taking superior incision, the mean keratometric difference was 0.92 ± 0.95, which was statistically significant. Conclusions: Choosing the clear corneal incision site based on the preoperative steepest meridian significantly decreased keratometric astigmatism at the temporal and superior locations. As well as, temporal incision is evidently better than superior incision in minimizing SIA. Phacoemulsification preexisting astigmatism steepest meridian surgically induced astigmatism Medicine R Anju Meena verfasserin aut Amishi Khanna verfasserin aut Abhinav Biala verfasserin aut In Indian Journal of Health Sciences and Biomedical Research KLEU Wolters Kluwer Medknow Publications, 2019 9(2016), 2, Seite 179-184 (DE-627)1683676793 25426222 nnns volume:9 year:2016 number:2 pages:179-184 https://doi.org/10.4103/2349-5006.191265 kostenfrei https://doaj.org/article/bc85c0f4559842069afd680be816f44e kostenfrei http://www.ijournalhs.org/article.asp?issn=2542-6214;year=2016;volume=9;issue=2;spage=179;epage=184;aulast=Harakuni kostenfrei https://doaj.org/toc/2542-6214 Journal toc kostenfrei https://doaj.org/toc/2542-6222 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2016 2 179-184 |
allfieldsGer |
10.4103/2349-5006.191265 doi (DE-627)DOAJ078065712 (DE-599)DOAJbc85c0f4559842069afd680be816f44e DE-627 ger DE-627 rakwb eng Umesh Harakuni verfasserin aut A longitudinal study to evaluate effect of surgically induced astigmatism after phacoemulsification clear corneal incision placed in the steepest meridian on eyes with preexisting astigmatism 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Context: Surgically induced astigmatism (SIA) is the cause of poor postoperative vision even after uneventful cataract surgery. Aims: (1) To evaluate the effect of SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of preexisting astigmatism (PEA). (2) To map the magnitude of SIA by incisions in superior (S) and temporal (T) positions. Settings and Design: KLES Dr. Prabhakar Kore Hospital and Medical Research Centre (MRC), Belagavi, Karnataka. Longitudinal study. Subjects and Methods: The present 1-year study was conducted in the Department of Ophthalmology, KLES Dr. Prabhakar Kore Hospital and MRC, Belagavi, on patients undergoing cataract surgery during the period of January 1, 2014,-December 31, 2014. The patients undergoing phacoemulsification with PEA ranging from 0.5 D to 1.5 D were selected for the study to evaluate SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of the PEA. Statistical Analysis Used: Paired t-test was used to calculate mean SIA. Results: The result showed average SIA recorded was 0.54 ± 0.34 D with P < 0.001 (statistically significant). The SIA through temporal incision was 0.70 ± 0.35 D and through superior incision was 0.84 ± 0.49 D. This difference of SIA comparison between temporal and superior incision was not statistically significant (P = 0.145). On taking temporal incision, the mean keratometric difference was 1.03 ± 0.96, which was statistically significant. On taking superior incision, the mean keratometric difference was 0.92 ± 0.95, which was statistically significant. Conclusions: Choosing the clear corneal incision site based on the preoperative steepest meridian significantly decreased keratometric astigmatism at the temporal and superior locations. As well as, temporal incision is evidently better than superior incision in minimizing SIA. Phacoemulsification preexisting astigmatism steepest meridian surgically induced astigmatism Medicine R Anju Meena verfasserin aut Amishi Khanna verfasserin aut Abhinav Biala verfasserin aut In Indian Journal of Health Sciences and Biomedical Research KLEU Wolters Kluwer Medknow Publications, 2019 9(2016), 2, Seite 179-184 (DE-627)1683676793 25426222 nnns volume:9 year:2016 number:2 pages:179-184 https://doi.org/10.4103/2349-5006.191265 kostenfrei https://doaj.org/article/bc85c0f4559842069afd680be816f44e kostenfrei http://www.ijournalhs.org/article.asp?issn=2542-6214;year=2016;volume=9;issue=2;spage=179;epage=184;aulast=Harakuni kostenfrei https://doaj.org/toc/2542-6214 Journal toc kostenfrei https://doaj.org/toc/2542-6222 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2016 2 179-184 |
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10.4103/2349-5006.191265 doi (DE-627)DOAJ078065712 (DE-599)DOAJbc85c0f4559842069afd680be816f44e DE-627 ger DE-627 rakwb eng Umesh Harakuni verfasserin aut A longitudinal study to evaluate effect of surgically induced astigmatism after phacoemulsification clear corneal incision placed in the steepest meridian on eyes with preexisting astigmatism 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Context: Surgically induced astigmatism (SIA) is the cause of poor postoperative vision even after uneventful cataract surgery. Aims: (1) To evaluate the effect of SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of preexisting astigmatism (PEA). (2) To map the magnitude of SIA by incisions in superior (S) and temporal (T) positions. Settings and Design: KLES Dr. Prabhakar Kore Hospital and Medical Research Centre (MRC), Belagavi, Karnataka. Longitudinal study. Subjects and Methods: The present 1-year study was conducted in the Department of Ophthalmology, KLES Dr. Prabhakar Kore Hospital and MRC, Belagavi, on patients undergoing cataract surgery during the period of January 1, 2014,-December 31, 2014. The patients undergoing phacoemulsification with PEA ranging from 0.5 D to 1.5 D were selected for the study to evaluate SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of the PEA. Statistical Analysis Used: Paired t-test was used to calculate mean SIA. Results: The result showed average SIA recorded was 0.54 ± 0.34 D with P < 0.001 (statistically significant). The SIA through temporal incision was 0.70 ± 0.35 D and through superior incision was 0.84 ± 0.49 D. This difference of SIA comparison between temporal and superior incision was not statistically significant (P = 0.145). On taking temporal incision, the mean keratometric difference was 1.03 ± 0.96, which was statistically significant. On taking superior incision, the mean keratometric difference was 0.92 ± 0.95, which was statistically significant. Conclusions: Choosing the clear corneal incision site based on the preoperative steepest meridian significantly decreased keratometric astigmatism at the temporal and superior locations. As well as, temporal incision is evidently better than superior incision in minimizing SIA. Phacoemulsification preexisting astigmatism steepest meridian surgically induced astigmatism Medicine R Anju Meena verfasserin aut Amishi Khanna verfasserin aut Abhinav Biala verfasserin aut In Indian Journal of Health Sciences and Biomedical Research KLEU Wolters Kluwer Medknow Publications, 2019 9(2016), 2, Seite 179-184 (DE-627)1683676793 25426222 nnns volume:9 year:2016 number:2 pages:179-184 https://doi.org/10.4103/2349-5006.191265 kostenfrei https://doaj.org/article/bc85c0f4559842069afd680be816f44e kostenfrei http://www.ijournalhs.org/article.asp?issn=2542-6214;year=2016;volume=9;issue=2;spage=179;epage=184;aulast=Harakuni kostenfrei https://doaj.org/toc/2542-6214 Journal toc kostenfrei https://doaj.org/toc/2542-6222 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2016 2 179-184 |
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A longitudinal study to evaluate effect of surgically induced astigmatism after phacoemulsification clear corneal incision placed in the steepest meridian on eyes with preexisting astigmatism |
abstract |
Context: Surgically induced astigmatism (SIA) is the cause of poor postoperative vision even after uneventful cataract surgery. Aims: (1) To evaluate the effect of SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of preexisting astigmatism (PEA). (2) To map the magnitude of SIA by incisions in superior (S) and temporal (T) positions. Settings and Design: KLES Dr. Prabhakar Kore Hospital and Medical Research Centre (MRC), Belagavi, Karnataka. Longitudinal study. Subjects and Methods: The present 1-year study was conducted in the Department of Ophthalmology, KLES Dr. Prabhakar Kore Hospital and MRC, Belagavi, on patients undergoing cataract surgery during the period of January 1, 2014,-December 31, 2014. The patients undergoing phacoemulsification with PEA ranging from 0.5 D to 1.5 D were selected for the study to evaluate SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of the PEA. Statistical Analysis Used: Paired t-test was used to calculate mean SIA. Results: The result showed average SIA recorded was 0.54 ± 0.34 D with P < 0.001 (statistically significant). The SIA through temporal incision was 0.70 ± 0.35 D and through superior incision was 0.84 ± 0.49 D. This difference of SIA comparison between temporal and superior incision was not statistically significant (P = 0.145). On taking temporal incision, the mean keratometric difference was 1.03 ± 0.96, which was statistically significant. On taking superior incision, the mean keratometric difference was 0.92 ± 0.95, which was statistically significant. Conclusions: Choosing the clear corneal incision site based on the preoperative steepest meridian significantly decreased keratometric astigmatism at the temporal and superior locations. As well as, temporal incision is evidently better than superior incision in minimizing SIA. |
abstractGer |
Context: Surgically induced astigmatism (SIA) is the cause of poor postoperative vision even after uneventful cataract surgery. Aims: (1) To evaluate the effect of SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of preexisting astigmatism (PEA). (2) To map the magnitude of SIA by incisions in superior (S) and temporal (T) positions. Settings and Design: KLES Dr. Prabhakar Kore Hospital and Medical Research Centre (MRC), Belagavi, Karnataka. Longitudinal study. Subjects and Methods: The present 1-year study was conducted in the Department of Ophthalmology, KLES Dr. Prabhakar Kore Hospital and MRC, Belagavi, on patients undergoing cataract surgery during the period of January 1, 2014,-December 31, 2014. The patients undergoing phacoemulsification with PEA ranging from 0.5 D to 1.5 D were selected for the study to evaluate SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of the PEA. Statistical Analysis Used: Paired t-test was used to calculate mean SIA. Results: The result showed average SIA recorded was 0.54 ± 0.34 D with P < 0.001 (statistically significant). The SIA through temporal incision was 0.70 ± 0.35 D and through superior incision was 0.84 ± 0.49 D. This difference of SIA comparison between temporal and superior incision was not statistically significant (P = 0.145). On taking temporal incision, the mean keratometric difference was 1.03 ± 0.96, which was statistically significant. On taking superior incision, the mean keratometric difference was 0.92 ± 0.95, which was statistically significant. Conclusions: Choosing the clear corneal incision site based on the preoperative steepest meridian significantly decreased keratometric astigmatism at the temporal and superior locations. As well as, temporal incision is evidently better than superior incision in minimizing SIA. |
abstract_unstemmed |
Context: Surgically induced astigmatism (SIA) is the cause of poor postoperative vision even after uneventful cataract surgery. Aims: (1) To evaluate the effect of SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of preexisting astigmatism (PEA). (2) To map the magnitude of SIA by incisions in superior (S) and temporal (T) positions. Settings and Design: KLES Dr. Prabhakar Kore Hospital and Medical Research Centre (MRC), Belagavi, Karnataka. Longitudinal study. Subjects and Methods: The present 1-year study was conducted in the Department of Ophthalmology, KLES Dr. Prabhakar Kore Hospital and MRC, Belagavi, on patients undergoing cataract surgery during the period of January 1, 2014,-December 31, 2014. The patients undergoing phacoemulsification with PEA ranging from 0.5 D to 1.5 D were selected for the study to evaluate SIA after phacoemulsification clear corneal incision in the steepest meridian on the magnitude of the PEA. Statistical Analysis Used: Paired t-test was used to calculate mean SIA. Results: The result showed average SIA recorded was 0.54 ± 0.34 D with P < 0.001 (statistically significant). The SIA through temporal incision was 0.70 ± 0.35 D and through superior incision was 0.84 ± 0.49 D. This difference of SIA comparison between temporal and superior incision was not statistically significant (P = 0.145). On taking temporal incision, the mean keratometric difference was 1.03 ± 0.96, which was statistically significant. On taking superior incision, the mean keratometric difference was 0.92 ± 0.95, which was statistically significant. Conclusions: Choosing the clear corneal incision site based on the preoperative steepest meridian significantly decreased keratometric astigmatism at the temporal and superior locations. As well as, temporal incision is evidently better than superior incision in minimizing SIA. |
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A longitudinal study to evaluate effect of surgically induced astigmatism after phacoemulsification clear corneal incision placed in the steepest meridian on eyes with preexisting astigmatism |
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https://doi.org/10.4103/2349-5006.191265 https://doaj.org/article/bc85c0f4559842069afd680be816f44e http://www.ijournalhs.org/article.asp?issn=2542-6214;year=2016;volume=9;issue=2;spage=179;epage=184;aulast=Harakuni https://doaj.org/toc/2542-6214 https://doaj.org/toc/2542-6222 |
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