24. Richdale K, Berntsen DA, Mack CJ, et al. Visual acuity with spherical and toric soft contact lenses in low- to moderate-astigmatic eyes. Optom Vis Sci 2007;84(10):969-975.

24. Richdale K, Berntsen DA, Mack CJ, et al. Visual acuity with spherical and toric soft contact lenses in low- to moderate-astigmatic eyes. Optom Vis Sci 2007;84(10):969-975.