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Digital markerless system improves predictability for astigmatism correction
A digital markerless method may be more accurate for toric IOL alignment than manual ink marking for astigmatism correction during cataract surgery, according to a presentation at the American Society of Cataract and Refractive Surgery annual meeting.In a prospective non-randomized clinical trial, Daniel A. Black, MBBS, FRANZCO, FRACS, and colleagues compared the efficacy of aligning toric IOLs (Abbott Medical Optics) using corneal ink marks in 507 patients compared with using the Callisto markerless system (Carl Zeiss Meditec) in 161 patients in order to determine the proportion of patients with 0.5 (Read more...)