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
» »
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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