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Article: Comparison of postoperative refractive outcome in phacotrabeculectomy and phacoemulsification with posterior chamber intraocular lens implantation

TitleComparison of postoperative refractive outcome in phacotrabeculectomy and phacoemulsification with posterior chamber intraocular lens implantation
Authors
Issue Date2006
PublisherLippincott Williams & Wilkins. The Journal's web site is located at http://www.glaucomajournal.com
Citation
Journal Of Glaucoma, 2006, v. 15 n. 1, p. 26-29 How to Cite?
AbstractPurpose: To compare the postoperative refractive outcomes following phacotrabeculectomy and phacoemulsification with posterior chamber intraocular lens implantation. Methods: A retrospective comparative study of 90 consecutive patients (95 eyes) with cataract with or without co-existing glaucoma who had undergone uncomplicated phacotrabeculectomy or phacoemulsification by a single surgeon. The biometry prediction error was determined for each case by the difference between the actual postoperative refraction and the preoperative predicted refractive outcome, in spherical equivalent. This was followed by a comparative analysis of the mean biometry prediction error, and the number of cases with error >0.50 D or 1.00 D. All biometry measurements were performed by one of the two qualified optometrists. Results: The mean and absolute mean biometry prediction error of the 25 eyes that received phacotrabeculectomy (+0.20 D, absolute error 0.96 D) was comparable to the 70 eyes that received phacoemulsification (-0.14 D, absolute error 0.68 D), P = 0.18 (absolute error, P = 0.12). The proportion of cases with prediction error >0.50 D or 1.00 D was 60% or 40% for phacotrabeculectomy, and 44% or 17% for phacoemulsification, respectively. Phacotrabeculectomy was more likely to have a prediction error >1.00 D (P = 0.02) and a myopic shift of >0.50 D or 1.00 D (P = 0.03 or 0.02, respectively). No significant differences were found with regard to the frequency of hyperopic shift or prediction error >0.50 D. There was no significant difference in either the mean error or the frequency of the different types of error for the different biometry operators, types of glaucoma, or postoperative intraocular pressure control success status. Conclusion: Myopically shifted prediction error was significantly more frequent following posterior chamber intraocular lens implantation with phacotrabeculectomy compared with phacoemulsification, even when surgery was uncomplicated and performed by the same surgeon. Copyright © 2006 by Lippincott Williams & Wilkins.
Persistent Identifierhttp://hdl.handle.net/10722/176437
ISSN
2015 Impact Factor: 2.102
2015 SCImago Journal Rankings: 1.477
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChan, JCHen_US
dc.contributor.authorLai, JSMen_US
dc.contributor.authorTham, CCYen_US
dc.date.accessioned2012-11-26T09:11:16Z-
dc.date.available2012-11-26T09:11:16Z-
dc.date.issued2006en_US
dc.identifier.citationJournal Of Glaucoma, 2006, v. 15 n. 1, p. 26-29en_US
dc.identifier.issn1057-0829en_US
dc.identifier.urihttp://hdl.handle.net/10722/176437-
dc.description.abstractPurpose: To compare the postoperative refractive outcomes following phacotrabeculectomy and phacoemulsification with posterior chamber intraocular lens implantation. Methods: A retrospective comparative study of 90 consecutive patients (95 eyes) with cataract with or without co-existing glaucoma who had undergone uncomplicated phacotrabeculectomy or phacoemulsification by a single surgeon. The biometry prediction error was determined for each case by the difference between the actual postoperative refraction and the preoperative predicted refractive outcome, in spherical equivalent. This was followed by a comparative analysis of the mean biometry prediction error, and the number of cases with error >0.50 D or 1.00 D. All biometry measurements were performed by one of the two qualified optometrists. Results: The mean and absolute mean biometry prediction error of the 25 eyes that received phacotrabeculectomy (+0.20 D, absolute error 0.96 D) was comparable to the 70 eyes that received phacoemulsification (-0.14 D, absolute error 0.68 D), P = 0.18 (absolute error, P = 0.12). The proportion of cases with prediction error >0.50 D or 1.00 D was 60% or 40% for phacotrabeculectomy, and 44% or 17% for phacoemulsification, respectively. Phacotrabeculectomy was more likely to have a prediction error >1.00 D (P = 0.02) and a myopic shift of >0.50 D or 1.00 D (P = 0.03 or 0.02, respectively). No significant differences were found with regard to the frequency of hyperopic shift or prediction error >0.50 D. There was no significant difference in either the mean error or the frequency of the different types of error for the different biometry operators, types of glaucoma, or postoperative intraocular pressure control success status. Conclusion: Myopically shifted prediction error was significantly more frequent following posterior chamber intraocular lens implantation with phacotrabeculectomy compared with phacoemulsification, even when surgery was uncomplicated and performed by the same surgeon. Copyright © 2006 by Lippincott Williams & Wilkins.en_US
dc.languageengen_US
dc.publisherLippincott Williams & Wilkins. The Journal's web site is located at http://www.glaucomajournal.comen_US
dc.relation.ispartofJournal of Glaucomaen_US
dc.subject.meshAgeden_US
dc.subject.meshAged, 80 And Overen_US
dc.subject.meshBiometryen_US
dc.subject.meshCataract - Complicationsen_US
dc.subject.meshFemaleen_US
dc.subject.meshGlaucoma - Complicationsen_US
dc.subject.meshHumansen_US
dc.subject.meshLens Implantation, Intraocularen_US
dc.subject.meshLenses, Intraocularen_US
dc.subject.meshMaleen_US
dc.subject.meshPhacoemulsification - Methodsen_US
dc.subject.meshPostoperative Perioden_US
dc.subject.meshRefraction, Ocular - Physiologyen_US
dc.subject.meshRefractive Errors - Physiopathologyen_US
dc.subject.meshRetrospective Studiesen_US
dc.subject.meshTrabeculectomy - Methodsen_US
dc.titleComparison of postoperative refractive outcome in phacotrabeculectomy and phacoemulsification with posterior chamber intraocular lens implantationen_US
dc.typeArticleen_US
dc.identifier.emailLai, JSM: laism@hku.hken_US
dc.identifier.authorityLai, JSM=rp00295en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1097/01.ijg.0000196620.41991.b6en_US
dc.identifier.pmid16378014-
dc.identifier.scopuseid_2-s2.0-30344445650en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-30344445650&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume15en_US
dc.identifier.issue1en_US
dc.identifier.spage26en_US
dc.identifier.epage29en_US
dc.identifier.isiWOS:000234671700006-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridChan, JCH=26024354100en_US
dc.identifier.scopusauthoridLai, JSM=7401939748en_US
dc.identifier.scopusauthoridTham, CCY=7006081241en_US

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