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Internal spherical aberration by ray tracing-type aberrometry in multifocal pseudophakic eyes.

 I Jun  ;  Y J Choi  ;  E K Kim  ;  K Y Seo  ;  T-i Kim 
 Eye, Vol.26(9) : 1243-1248, 2012 
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PURPOSE: To demonstrate the results of the ray tracing-type aberrometer in measuring spherical aberration (SA) in pseudophakic eyes with monofocal intraocular lens (IOL), aspheric monofocal IOL, or aspheric diffractive multifocal IOL. METHODS: Total, corneal, and internal SA were measured using iTrace at a 6-mm pupil size in 27 eyes of 27 patients implanted with a monofocal spherical IOL (group 1: Natural, SN60AT), 30 eyes of 30 patients implanted with a monofocal aspheric IOL (group 2: IQ, SN60WF), and 30 eyes of 30 patients implanted with a multifocal aspheric IOL (group 3: ReSTOR, SN6AD1) at 3 months after cataract surgery. We compared the internal SAs of these IOLs in pupil sizes of 3, 4, 5, and 6 mm. RESULTS: There were no demographic statistically significant differences among the groups. The internal SA of group 1 had a positive value. The internal SA of group 2 was -0.175 ± 0.135 μm in 5-mm pupils and -0.227 ± 0.253 μm in 6-mm pupils. The internal SA of group 3 was -0.072 ± 0.128 μm in 5-mm pupils and -0.173 ± 0.231 μm in 6-mm pupils. CONCLUSION: Measuring internal SA with iTrace yields relatively accurate results in all types of IOLs with adequate pupil sizes.
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1. College of Medicine (의과대학) > Dept. of Pharmacology (약리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Eung Kweon(김응권) ORCID logo https://orcid.org/0000-0002-1453-8042
Kim, Tae Im(김태임) ORCID logo https://orcid.org/0000-0001-6414-3842
Seo, Kyuong Yul(서경률) ORCID logo https://orcid.org/0000-0002-9855-1980
Jun, Ik Hyun(전익현) ORCID logo https://orcid.org/0000-0002-2160-1679
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