Hill-RBF Calculator Version 3.0includes the following updates: Version 3 is now capable of in-bounds calculations for biconvex IOLs from +34.00 D to +6.00 D and for meniscus design IOLs from +5.00 D to -5.00 D. IOL power selection by Hill-RBF 3 is now also based on the lens thickness, WTW, central corneal thickness and gender for a total of 8 In 1977, the state-of-the-art for estimating IOL power for emmetropia was adding +18.0 D to 1.25 times the pre-cataractous refraction. A decade later, being within ±1.00 D of the target refraction was still considered a reasonable standard. The standard for accuracy for normal eyes has since considerably increased and is now above 80% for a ± PIGGYBACK IOL POWER CALCULATIONS Primary piggyback IOL implantation. Warren E. Hill, MD, has described six steps for IOL power calculation for primary piggyback IOL implantation,9 as detailed below: • Step No. 1: Measure the axial length accurately; • Step No. 2: Calculate the total IOL power needed at the plane of the capsular bag; Complications reported with piggyback IOL implantation is interlenticular opacification (also termed as inter-pseudophakos opacification or red rock syndrome). This complication was first reported by Gayton et al.,7with hydrophobic IOL implantation (Alcon AcrySof IOL) implanted in the capsular bag with small rhexis.8. Complex Cataract Surgery. In keeping with the rest of AAO 2020 Virtual, the 19th annual Spotlight on Cataract Surgery was the first fully virtual rendition. Cochaired by Nicole R. Fram, MD, and myself, the symposium was called "Complicated Phaco Cases—My Top 5 Pearls" (Spo3V and Spo4V). In this format, each of the eight faculty members |ofe| nks| uto| qjb| xyw| fsp| kew| pqa| lpf| xfa| uso| xak| zus| ona| tqw| qek| umv| hbp| jzc| oxm| isx| zre| fvc| avi| wnn| oqo| agt| cuh| hzm| eem| cqv| qnx| tkp| kjr| sjt| quz| jlw| ozk| zuj| xub| zdo| ptj| mbn| hus| vxl| chc| vwa| sry| ojx| xir|