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

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<strong>ADVANCED</strong> <strong>IOL</strong> <strong>CALCULATIONS</strong> <strong>2012</strong>PolypseudophakiaUp to 4 <strong>IOL</strong>’sPIGGY-BACKINTRAOCULAR LENSESJ.T. HolladayJane LeidleinJames P. GillsMyra Cherchio“Achieving Emmetropia In Extremely ShortEyes With Two Piggy-Back PosteriorChamber Intraocular Lenses.”Ophthalmology Journal. Vol. 103.July 1996 Blue Journal”Primary PIGGY-BACKINTRAOCULAR LENSES• Loop haptic <strong>IOL</strong>’s• Always align haptics• Haptics Horizontal (3 & 9)• Plate haptic <strong>IOL</strong>’s• Perpendicular• Axis @ 45º & 135ºPrimary Piggy-BackComplicationsAcrylicInterlenticular membrane3 to 5 D hyperopic shift @ 3 yrSiliconeInterlenticular membraneFlat SpotJACK T. HOLLADAY, MD, MSEE, FACS Page 13 of 19

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