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Postoperative results and quality of vision after implantation of an aspheric intraocular lens

Session Details

Session Title: IOL Technology

Session Date/Time: Sunday 06/10/2013 | 16:30-18:30

Paper Time: 17:23

Venue: Auditorium (First Floor)

First Author: : F.Kretz GERMANY

Co Author(s): :    A. Fitting   R. Khoramnia   T. Rabsilber   M. Holzer   G. Auffarth  

Abstract Details

Purpose:

Clinical evaluation of functional results and quality of vision after implantation of an aspheric, aberration neutral, monofocal intraocular lens (IOL).

Setting:

International Vision Correction Research Centre (IVCRC), Department of Ophthalmology, University of Heidelberg, Heidelberg, Germany

Methods:

18 eyes of 12 patients (median age: 70 years) with cataract have been enrolled in this ongoing prospective clinical study so far that was approved by the ethics committee. The Tecnis 1-Piece aspheric IOL (AMO, USA) was implanted after phacoemulsification. Follow-up examinations were performed two to four months after surgery including subjective refraction, ETDRS uncorrected (UDVA) and corrected distance visual acuity (CDVA), wavefront analysis, analysis of stray light (C-Quant), contrast sensitivity under different lighting conditions (F.A.C.T.) and a questionnaire.

Results:

Two to four months after surgery, median UDVA was 0.17 logMAR (range: -0.26 to 0.88 logMAR). Median CDVA increased from 0.20 logMAR (range: -0.02 to 0.80 logMAR) preoperatively to -0.10 logMAR (range: -0.30 to 0.10 logMAR) postoperatively. Median difference between achieved vs. intended spherical equivalent was +0.11 D (range: -0.30 to +1.03 D). Median total HOA RMS (6 mm pupil size) was 1.73 µm (range: 0.56 to 3.93 µm). The median spherical aberrations were -0.07 µm (range: -0.37 to 0.07 µm). Analysis of stray light (C-Quant) revealed a median value of 1.28 log(s) (range: 0.89 to 1.52 log(s)).

Conclusions:

The Tecnis 1-Piece aspheric IOL provides good and predictable functional results after surgery. Patients are mostly not negatively influenced by stray light and show slightly negative spherical aberrations.

Financial Interest:

... 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 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, ... research is funded, fully or partially, by a company producing, developing or supplying the product or procedure presented, ... receives consulting fees, retainer, or contract payments from a competing company