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J. S. Wolffsohn, P. J. Buckhurst, S. A. Naroo, L. N. Davies, S. Shah; Visual Function in Patient’s Implanted With a Non-Concentric Multifocal Intraocular Lens. Invest. Ophthalmol. Vis. Sci. 2010;51(13):5730.
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© ARVO (1962-2015); The Authors (2016-present)
To examine the visual function of patients implanted binocularly with a non-concentric multifocal IOL in photopic and mesopic conditions.
Ten patients implanted with the Lentis MPlus IOL (reading portion of lens located inferiorly) were examined 3 months after surgery. Uncorrected and best corrected distance, intermediate (80cm) and near (40cm) visual acuities were measured (LogMAR chart). Contrast sensitivity was assessed (Pelli-Robson chart and CSV 1000) and monocular and the binocular defocus curve from +1.5D to -5.0D in 0.5D randomised steps was quantified. Light scatter was evaluated by the scotoma size induced by a bright LED.
Uncorrected vision acuities were -0.01±0.18logMAR for distance and 0.17±0.05logMAR for near. Best distance corrected visual acuities were -0.12±0.12logMAR for distance, 0.17±0.06LogMAR at 80cm and 0.15±0.05logMAR at near. Contrast sensitivity was 1.60±0.19log units with the Pelli-Robson and showed good contrast with the CSV1000. The defocus curve profile showed a peak in near visual acuity between 2.00D and 2.50D and this profile was maintained in mesopic conditions. Glare testing showed negligible levels of light scatter superiorly with glare increasing inferiorly corresponding with the position of the reading area
The Lentis MPlus non-concentric multifocal profile appears to limit some of the detrimental effects of other multifocal IOL designs.
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