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Postoperative results after implantation of a toric, aspheric intraocular lens

Poster Details

First Author: R.Khoramnia GERMANY

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

Abstract Details



Purpose:

Clinical evaluation of functional results and quality of vision after implantation of a toric, aspheric intraocular lens (IOL).

Setting:

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

Methods:

10 eyes of 6 patients (median age: 49 years) with cataract have been enrolled in this ongoing prospective clinical study so far that was approved by the ethics committee. The T-flex aspheric, aberration free IOL (Rayner, UK) 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 0.12 logMAR (range: -0.18 to 0.54 logMAR). Median CDVA increased from 0.20 logMAR (range: 0.02 to 0.44 logMAR) preoperatively to -0.10 logMAR (range: -0.26 to 0.16 logMAR) postoperatively (n=10). Median difference between achieved vs. intended spherical equivalent was -0.18 D (range: -1.25 to +0.23 D). Median cylinder improved from -2.63 D (range: -6.50 to -0.25 D) preoperatively to -0.5 D (range: -1.25 to 0.00 D) after surgery. Median total HOA RMS (6 mm pupil size) was 1.79 ṁm (range: 0.77 to 3.44 ṁm). The median spherical aberrations were -0.36 ṁm (range: -0.53 to -0.23 ṁm). Analysis of stray light (C-Quant) revealed a median value of 1.28 log(s) (range: 0.96 to 1.61 log(s)).

Conclusions:

The T-flex aspheric IOL provides good and predictable functional results after surgery. The implantation of the toric IOL is an effective method to correct low to moderate astigmatism.

Financial Disclosure:

... 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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