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Session Title: Multifocal Technology and Comparative studies
Session Date/Time: Tuesday 08/10/2013 | 08:00-10:30
Paper Time: 10:03
Venue: Auditorium (First Floor)
First Author: : S.Nagappa INDIA
Co Author(s): : S. Das M. Kurian M. Paryani
To assess optical quality outcome and HOA in patients with diffractive and apodized diffractive multifocal intraocular lenses
Narayana Nethralaya, Tertiary eye care centre, Bangalore
46 Patients who underwent cataract extraction and multifocal intraocular lens implant with 28 AcrySof® IQ ReSTOR® Apodized Diffractive Optic (IOL) and 18 TECNIS® Multifocal Lens underwent OQAS (optical quality analysis system, Visiometrics ) test and aberrometry using differential skiaskopy (NIDEK OPDIII).HOAs (internal , corneal ,total)were noted from NIDEK OPDIII. Objective scattering index(OSI), modulation transfer function (MTF), strehls ratio (SR) were noted from OQAS. Unpaired t-test was used for statistical analysis.
The mean (± SD) total and internal HOA in AcrySof® IQ ReSTOR® group was 0.43µm (±0.71) and 0.45 µm (±0.86) respectively; in TECNIS® Multifocal Lens was 0.31 µm (±0.37) and 0.31 µm (± 0.52) respectively with no statistical difference (p-value <0.05) between the two groups. OSI, MTF, SR in AcrySof® IQ ReSTOR® was 1.82, 30.08, 0.18 respectively and in TECNIS® Multifocal Lens was 2.21, 29.63, 0.18. There was no statistical difference between the means of two groups.
Diffractive and apodized diffractive multifocal intraocular lenses have similar outcomes in terms of optical quality and HOA s.
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