
George O. Waring IV, MD, FACS, discussed how “tolerance” may expand the QRS functional vision model, with new data on IOL performance in residual astigmatism and defocus.

George O. Waring IV, MD, FACS, discussed how “tolerance” may expand the QRS functional vision model, with new data on IOL performance in residual astigmatism and defocus.

Updated guidelines characterize IOLs by functional performance over optical design.

Vision correction has evolved into a continuum of procedures suited for different stages of ocular maturity