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26/11/04 BSCRS 2004 www.drmathys.be Aberrometry in daily practice Bernard Mathys, MD.

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Presentation on theme: "26/11/04 BSCRS 2004 www.drmathys.be Aberrometry in daily practice Bernard Mathys, MD."— Presentation transcript:

1 26/11/04 BSCRS 2004 www.drmathys.be Aberrometry in daily practice Bernard Mathys, MD

2 BSCRS 2004 www.drmathys.be What is Aberrometry ? New « science » New « science » New vocabulary New vocabulary Understanding the way people « see » Understanding the way people « see »

3 BSCRS 2004 www.drmathys.be Hartmann-Shack Wavefront Measurement Perfect Eye Aberrated Eye Lenslet Array CCD Array Spot Array Wave Aberration C. of Williams Lab - CVS

4 BSCRS 2004 www.drmathys.be Aberrations

5 BSCRS 2004 www.drmathys.be Aberrometer

6 BSCRS 2004 www.drmathys.be Clinical Use Refractive Surgery Refractive Surgery RK, PRK, Lasik, IOL RK, PRK, Lasik, IOL Cataract assessment Cataract assessment Keratoconus evaluation Keratoconus evaluation

7 BSCRS 2004 www.drmathys.be But also… Any visual problems Any visual problems Refractive complaints Refractive complaints Quality of vision : altered or not ? Quality of vision : altered or not ? A few cases… A few cases…

8 BSCRS 2004 www.drmathys.be Fluctuations

9 BSCRS 2004 www.drmathys.be Cataract assesment

10 BSCRS 2004 www.drmathys.be Dry Eyes

11 BSCRS 2004 www.drmathys.be Keratoconus Follow-up

12 BSCRS 2004 www.drmathys.be Preop IOL

13 BSCRS 2004 www.drmathys.be Postop IOL

14 BSCRS 2004 www.drmathys.be Unsatisfactory RK Multiple cuts, undercorrection & overcorrection

15 BSCRS 2004 www.drmathys.be Post unsatisfactory Lasik

16 BSCRS 2004 www.drmathys.be Flap-related Aberrations

17 BSCRS 2004 www.drmathys.be Corneal reshaping Overcorrected & astigmatic RK

18 BSCRS 2004 www.drmathys.be Corneal reshaping Overcorrected RK

19 BSCRS 2004 www.drmathys.be Z-reshaping post-PRK Undercorrected PRK

20 BSCRS 2004 www.drmathys.be Haze Formation

21 BSCRS 2004 www.drmathys.be Conclusion Usefull tool Usefull tool Another approach to visual problems Another approach to visual problems Different language Different language Well-trained technician Well-trained technician Time consuming Time consuming Interpretation more difficult than topography Interpretation more difficult than topography

22 BSCRS 2004 www.drmathys.be Thank you for your attention

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