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

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26/11/04 BSCRS 2004

www.drmathys.be

Aberrometry in Aberrometry in daily practicedaily practice

Bernard Mathys, MDBernard Mathys, MD

BSCRS 2004 www.drmathys.be

What is Aberrometry ?What is Aberrometry ?

New « science »New « science » New vocabularyNew vocabulary Understanding the way people « see Understanding the way people « see

» »

BSCRS 2004 www.drmathys.be

Hartmann-Shack Wavefront MeasurementHartmann-Shack Wavefront Measurement

Perfect Eye

Aberrated Eye

Lenslet Array

CCD Array Spot Array Wave Aberration

C. of Williams Lab - CVS

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AberrationsAberrations

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AberrometerAberrometer

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Clinical UseClinical Use

Refractive SurgeryRefractive Surgery RK, PRK, Lasik, IOLRK, PRK, Lasik, IOL

Cataract assessmentCataract assessment Keratoconus evaluationKeratoconus evaluation

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But also…But also…

Any visual problemsAny visual problems Refractive complaintsRefractive complaints Quality of vision : altered or not ?Quality of vision : altered or not ? A few cases…A few cases…

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FluctuationsFluctuations

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Cataract assesmentCataract assesment

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Dry EyesDry Eyes

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Keratoconus Follow-upKeratoconus Follow-up

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Preop IOLPreop IOL

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Postop IOLPostop IOL

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Unsatisfactory RKUnsatisfactory RKMultiple cuts, undercorrection & overcorrectionMultiple cuts, undercorrection & overcorrection

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Post unsatisfactory LasikPost unsatisfactory Lasik

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Flap-related Aberrations Flap-related Aberrations

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Corneal reshapingCorneal reshapingOvercorrected & astigmatic RKOvercorrected & astigmatic RK

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Corneal reshapingCorneal reshapingOvercorrected RKOvercorrected RK

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Z-reshaping post-PRKZ-reshaping post-PRKUndercorrected PRKUndercorrected PRK

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Haze FormationHaze Formation

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ConclusionConclusion

Usefull toolUsefull tool Another approach to visual problemsAnother approach to visual problems Different languageDifferent language Well-trained technicianWell-trained technician Time consumingTime consuming Interpretation more difficult than Interpretation more difficult than

topographytopography

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Thank you for your Thank you for your attentionattention