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Session Title: Multifocal IOL results
Session Date/Time: Sunday 06/10/2013 | 14:30-16:00
Paper Time: 14:30
Venue: Forum (Ground Floor)
First Author: : J.Wolffsohn UK
Co Author(s): : S. Shah E. Berrow S. Naroo P. Bilkhu
To evaluate the visual performance of patients implanted with a new bi-aspheric, +3D non-blended segment, multifocal intraocular lens (IOL) available in quarter diopter powers.
Midland Eye, Solihull, UK
Eleven patients (18 eyes) with cataracts (average age 66.7 ± 8.4 years) were implanted with the aspheric, segmented multifocal IOL. Three months after surgery uncorrected and best-corrected distance, intermediate and near visual acuity were measured along with residual refractive error. Contrast sensitivity was assessed with the Pelli-Robson chart. Defocus curves were assessed over a range of +1.50 to -5.00D in 0.5D steps with the letters randomized between presentations. The visual angle a glare source obscured vision was measured in 45 degree meridians using halometry.
The residual refractive error was 0.01±0.47D with 61% of eyes within ±0.25D and 89% within ±0.5D. Uncorrected visual acuity was 0.11±0.17logMAR at distance and 78% of eyes could read J3 or better at near. The contrast sensitivity was good (1.67 ±0.07 log units) and defocus curve showed a near addition between 1.5-2.5D. Halometry showed less than 1 degree of debilitating light scatter, with an asymmetric profile reflecting the location of the IOL segment.
This new aspheric segmented IOL provides a good visual outcome at distance and near with minimal dysphotopsia.
... research is funded, fully or partially, by a company producing, developing or supplying the product or procedure presented, ... travel has been funded, fully or partially, by a competing company, ... travel has been funded, fully or partially, by a company producing, developing or supplying the product or procedure presented, ... research is funded, fully or partially, by a competing company
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