ADVANCED IOL POWER CALCULATIONS Jack T ... - ascrs 2012

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ADVANCED IOL CALCULATIONS 2012Zeiss-Humphrey IOL MasterSubtractfrom AscanmeasuredAilL Axial Length~ 0.8 mmZaldivar-Holladay JCRS May 2000Zeiss-IOL Master - 2000Difficult CasesAsteroid Hyalosis (vit. debris)Extreme Length (26.5 mm)Extreme Short (< 21 mm)Pseudophakic EyesSilicone in VitreousCataract Surgery …IOL Power CalculationsFollowing RefractiveSurgeryPreoperative Assessment• Endothelial Cell Count• Pachymetry• Direct Ophthalmoscope @ 16”• Corneal Topography• Determining Corneal Power• IOL CalculationJACK T. HOLLADAY, MD, MSEE, FACS Page 6 of 19
ADVANCED IOL CALCULATIONS 2012Corneal Power afterLASIK, PRK, RK Ideally, Calculation from bothsurfaces … Calculation from Prior Data Trial Hard Contact Lens Corneal Topography Automated Keratometry Manual KeratometryPachymetry andPosteriorCorneal SurfaceNew patentedlaser cross formeasurement ofposterior cornealsurface and opticalpachymentry4 mm OZ with 6 cuts ~~ - 4.00 DJACK T. HOLLADAY, MD, MSEE, FACS Page 7 of 19
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ADVANCED IOL POWER CALCULATIONS Jack T ... - ascrs 2012

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