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Visual Outcomes of Two Aspheric PCIOLs: Tecnis Z9000 versus Akreos AO.
MedLine Citation:
PMID:  23479519     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
PURPOSE: TO COMPARE SPHERICAL ABERRATION AND CONTRAST SENSITIVITY WITH TWO DIFFERENT TYPES OF ASPHERIC POSTERIOR CHAMBER INTRAOCULAR LENSES (PCIOLS): Tecnis Z9000 versus Akreos AO.
METHODS: Thirty-four eyes of 34 patients undergoing phacoemulsification for senile cataracts were randomly assigned to implantation of Tecnis Z9000 or Akreos AO PCIOLs. Outcome measures included best-corrected visual acuity (BCVA), spherical aberration (SA) with 4 and 6 mm pupil diameters and contrast sensitivity under photopic and mesopic conditions at spatial frequencies of 1, 2, 5, 10 and 20 cycles per degree (cpd) three months postoperatively.
RESULTS: Mean BCVA was 0.08±0.08 logMAR in the Tecnis Z9000 group and 0.11±0.09 logMAR in the Akreos AO group (P=0.33). SA was less with Tecnis than Akreos AO with 4 and 6 mm pupil diameter (0.14±0.10 μm vs 0.28±0.09μm, P< 0.001 and 0.30±0.18μm vs 0.33±0.08 μm, P=0.4, respectively). Contrast sensitivity was significantly higher in the Tecnis Z9000 group at 1, 2, 5 and 10 cpd under photopic and at 1, 2 and 10 cpd under mesopic conditions.
CONCLUSION: Tecnis Z9000 IOL seems to entail better visual outcomes in terms of spherical aberration and contrast sensitivity as compared to Akreos AO.
Authors:
Ahmad-Reza Baghi; Mohammad-Reza Jafarinasab; Hossein Ziaei; Zahra Rahmani
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of ophthalmic & vision research     Volume:  3     ISSN:  2008-2010     ISO Abbreviation:  J Ophthalmic Vis Res     Publication Date:  2008 Jan 
Date Detail:
Created Date:  2013-03-12     Completed Date:  2013-03-14     Revised Date:  2013-04-18    
Medline Journal Info:
Nlm Unique ID:  101497643     Medline TA:  J Ophthalmic Vis Res     Country:  Iran    
Other Details:
Languages:  eng     Pagination:  32-6     Citation Subset:  -    
Affiliation:
Shaheed Beheshti Medical University, Tehran, Iran.
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