ADVANCED IOL POWER CALCULATIONS Jack T ... - ascrs 2012
ADVANCED IOL POWER CALCULATIONS Jack T ... - ascrs 2012
ADVANCED IOL POWER CALCULATIONS Jack T ... - ascrs 2012
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<strong>ADVANCED</strong> <strong>IOL</strong> <strong>CALCULATIONS</strong> <strong>2012</strong>Silicone in Vitreous Cavity• Use Convexo-Plano<strong>IOL</strong> tominimize effect of Silicone(add 3 D to calculated <strong>IOL</strong>)• If Biconvex <strong>IOL</strong>(add 6 D to calculated <strong>IOL</strong>)• When Silicone removed -- 2to 5 D of induced myopia<strong>IOL</strong> Calculationsusing aRefractive Formula(ignore axial length)<strong>IOL</strong> Calculation without ALREFRACTION FORMULA• Secondary AC or PC <strong>IOL</strong> forAphakia• Secondary Piggy-Back AC orPC <strong>IOL</strong> for Pseudophakia• Primary AC <strong>IOL</strong> in Phakia<strong>IOL</strong>13361336ELP1000 K1000PreRx V13361336ELP1000 K1000DPostRx VSecondary Piggy-Back <strong>IOL</strong>’sIndicationsIntolerable PseudophakicRefractive ErrorRefractive Surprises Previous RK, PRK, LASIK Bad axial length - short/long Mislabeled <strong>IOL</strong> Axially displaced Misc.JACK T. HOLLADAY, MD, MSEE, FACS Page 17 of 19