Oasys for Astigmatism. High minus add on. 2 drawer lens den. Sph -6.50 to -9.00. Cyl -0.75, -1.25, -1.75, Degree axis 10 degree steps around the clock. Lenses must be removed from boxes. Dimensions: W 12 3/8", H 5 13/16", D 12 3/16"