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Clinical Experience with the Tracey VFA in Brazil Clinical Experience with the Tracey VFA in Brazil Renato Ambrósio Jr. Universidade de São Paulo Oftalmologia.

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Apresentação em tema: "Clinical Experience with the Tracey VFA in Brazil Clinical Experience with the Tracey VFA in Brazil Renato Ambrósio Jr. Universidade de São Paulo Oftalmologia."— Transcrição da apresentação:

1 Clinical Experience with the Tracey VFA in Brazil Clinical Experience with the Tracey VFA in Brazil Renato Ambrósio Jr. Universidade de São Paulo Oftalmologia Instituto Benjamin Constant Rio de Janeiro

2 Why should I buy a wavefront analyzer? Why should I buy a wavefront analyzer?

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4 n Screening refractive candidates n Patient education n Surgical Planning R.Ambrósio Jr, M.D. Goals of the Preop exam in refractive surgery

5 Screening refractive candidates n Complete eye exam n Complementary exams n Interview with the patient R.Ambrósio Jr, M.D.

6 Preop exam in refractive surgery Which exams should we do?

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8 n 0.9% of the candidates had keratoconus or pellucid marginal degeneration UW Refractive Clinic Study R.Ambrósio Jr, M.D.

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10 CT View – Scales for Corneal Topography

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12 KERATOMETRY CORNEAL TOPOGRAPHY REFRACTION WAVEFRONT R.Ambrósio Jr, M.D.

13 Advantages of Tracey-VFA for screening refractive candidates n Accurate Refraction ~ 0.01 D (vs 0.25D) n Manifest and Cycloplegia comparison n Identification of high risk cases for night vision problems after conventional ablations (HOA and Total Aberrations) n Integrated analysis with Corneal Topography (CTView V.5 software) R.Ambrósio Jr, M.D.

14 Screening refractive candidates with the Tracey VFA – Bad candidate (BSCVA 20/15 -2 )

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17 PSF Simulation for Patient education All AberrationsOnly HOA Bad candidate (BSCVA 20/15 -2 )

18 Screening refractive candidates with the Tracey VFA Instituto de Olhos Renato Ambrósio Rio de Janeiro

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20 All AberrationsOnly HOA PSF Simulation for Patient education

21 Qualidade da Visão R.Ambrósio Jr, M.D.

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23 Integrated Analysis with the CT View WF – Topo = Intraocular Optics

24 Clinical Applications: Monocular Diplopia – Poor CL Fit after PKP

25 Contact Lens Migrate Inferiorly causing diplopia Aplicações do Wavefront Entendendo as queixas do paciente Importance of Scales

26 Effect of the Scan Size

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28 Instituto de Olhos Renato Ambrósio Rio de Janeiro Irregular eyes measured with Tracey

29 Instituto de Olhos Renato Ambrósio Rio de Janeiro Irregular eyes measured with Tracey

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32 Validação de Exames que não utilizam Iluminação Inframermelha r= 0.68

33 Pupil Measurements with the Tracey VFA Instituto de Olhos Renato Ambrósio

34 Thank you!


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