They send it off .
A firm grinds a lens to your specifications , and also suffices to the basic shape of your mask lens , and utilizes an unique glue to bond it inside your mask It will likely derive from a week to ten days .
They send it off and a firm grinds a lens to your specifications , and also suffices to the basic shape of your mask lens , and utilizes an unique glue to bond it inside your mask It will likely derive from a week to ten days .