Lens Power
Convert spectacle refraction to initial lens power recommendations for our soft lens products.
Content:

Spectacle/Eyeglass Prescription
Vertex Distance (mm)
 What is Vertex Distance?
O.D.(Right)      Sphere
(+ or -)
 Cylinder
(+ or -)
 
x 		 Axis
Add Power(Right)     
 What is Add Power?     		   
O.S.(Left)       
x 
Add Power(Left)    
 What is Add Power?