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Session Title: Intracorneal inlays for correction of presbyopia
Session Date/Time: Tuesday 08/10/2013 | 08:00-10:30
Paper Time: 09:12
Venue: Main Lecture Hall (Ground Floor)
First Author: : V.Feingold THE NETHERLANDS
Co Author(s): : I. Pallikaris M. Fantozzi
To improve near visual acuity for emmetropic presbyopes and analyse the wavefront patterns in these patients
University of Crete and Prato Hospital
Presbia Flexivue Microlens (Presbia Coöperatief U.A., Netherlands) was implanted in the non-dominant eye of 77 presbyopic patients after the creation of a 300 microns depth stromal pocket using a femtosecond laser and a mask. Patients were followed according to a clinical protocol to evaluate visual acuity, refraction, anterior segment imaging confocal microscopy analysis and wavefront evaluation.
Out of total of 77 patients 70 patients reached 12 months visits. On average patients improve from a mean 0f 0.69 logMAR to 0.11 (equivalent to 6 lines improvement) for Uncorrected Near Visual Acuity (UNVA). 70% had UNVA between -0.10 to +0.16 logMAR and 99% had UNVA better than +0.38 logMAR. As an example: a patient that had +.15 Microns of Z12n4 spherical aberration pre-op changed to post-op of -0.37 microns and improved his visual acuity for near from +0.74 logMAR to +0.10 logMAR, resulting in more than 6 lines improvement. Patients did not lose any binocular Uncorrected Distance Visual Acuity, However they lost on average approximately 2 lines UDVA on the operated eye.
Implantation of the Microlens in corneal pocket resulted in significant improvements near visual acuity as a function of a myopic shift and increase in negative spherical aberration. Most patients were spectacle independent for distance and near vision. This intracorneal inlay appears to be an effective surgical method for the treatment of presbyopia.
... receives consulting fees, retainer, or contract payments from a company producing, developing or supplying the product or procedure presented, ... 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 company producing, developing or supplying the product or procedure presented
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