My contact lens prescription is
  Left: -4.00 -1.75 CYL 180 Axis
  Right: -4.50 -1.75 CYL 180 Axis
  
  I know that I have moderate myopia and low astigmatism so I want to know what my spherical equivalence would be. The Freshlook Colorblends Toric line has been discontinued so I'm desperate to find out what my prescription would be for normal spherical lenses! 
  Read more: What would my spherical equivalent be?