Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/62915
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dc.contributor.authorLanders, J.en
dc.contributor.authorGoggin, M.en
dc.date.issued2010en
dc.identifier.citationClinical and Experimental Optometry, 2010; 93(6 Sp Iss):419-425en
dc.identifier.issn0816-4622en
dc.identifier.issn1444-0938en
dc.identifier.urihttp://hdl.handle.net/2440/62915-
dc.description.abstractPurpose:  Recently, intraocular lenses (IOLs) that possess an aspheric design, compensating for the spherical aberration (SA) of the cornea, have been developed. We designed this study to compare a group of patients who had undergone bilateral cataract surgery and had received one spherical IOL and one aspheric IOL, to assess their ocular preference. Methods:  Patients were recruited from those who had undergone bilateral cataract surgery during the preceding six months (32 patients). Types of aspheric IOLs, which were used included: Tecnis ZA9003, AcrysofIQ SN60WF and Akreos Adapt AO. Contrast acuity was measured using a CSV-1000CVA instrument and spherical aberration (SA) was measured using a Zywave aberrometer. Patients also answered a brief questionnaire, designed to determine whether they could detect any difference between their spherical and aspheric IOLs and whether they had an ocular preference. Results:  No differences were found between spherical and aspheric IOLs in contrast acuity. Total ocular spherical aberration was greater among eyes with spherical IOLs compared with aspheric IOLs (t = 6.67; p < 0.0001). Patients' ocular preference was unrelated to the presence of an aspheric IOL or the amount of spherical aberration, but was associated with the level of ametropia and visual acuity. Conclusions:  We were unable to find any impact on a patient's subjective visual quality from a reduction of spherical aberration by the presence of an aspheric IOL. Ocular preference was determined by level of visual acuity and degree of ametropia post-operatively.en
dc.description.statementofresponsibilityJohn Landers, Michael Gogginen
dc.language.isoenen
dc.publisherWiley-Blackwell Publishing Ltden
dc.rights© 2010 The Authors. Clinical and Experimental Optometry © 2010 Optometrists Association Australiaen
dc.subjectametropia; aspheric; intraocular lens; ocular preference; spherical aberrationen
dc.titleOcular preference following implantation of aspheric and spherical intraocular lenses; an intra-individual comparisonen
dc.typeJournal articleen
dc.identifier.doi10.1111/j.1444-0938.2010.00513.xen
pubs.publication-statusPublisheden
Appears in Collections:Surgery publications

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