Comparison of intraocular lens calculation methods after myopic laser-assisted in situ keratomileusis and radial keratotomy without prior refractive data
British Journal of Ophthalmology Oct 28, 2020
Patel P, Ashena Z, Vasavada V, et al. - Researchers conducted the study for comparing intraocular lens (IOL) calculation methods not requiring refraction data prior to myopic laser-assisted in situ keratomileusis (LASIK) and radial keratotomy (RK). Hagis-L; Shammas; Barrett True-K no-history; Wang-Koch-Maloney; ‘average’, ‘minimum’ and ‘maximum’ IOL power on the American Society of Cataract and Refractive Surgeons (ASCRS) IOL calculator were the methods that did not require prior refraction data in post-LASIK eyes. There are no major variations in IOL PE between the methods not requiring prior refraction data in post-LASIK and post-RK eyes. In post-LASIK eyes, ‘minimum’ showed the least variance in PEs and more chances of eyes to be within ± 1.0 D postoperatively. In post-RK eyes, ‘average’ had the least variance and greater probability of eyes within ± 1.0 D.
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