Patent ID: 7568798

Claim:
A method for providing a plurality of pairs of reading glasses comprising: providing at least a first pair of eyeglasses that has a first lens and a second lens wherein the first lens and second lens have a first optical center and a second optical center, respectively, that are spaced at a first optical center distance (OCD); and providing at least a second pair of eyeglasses that has a third lens and a fourth lens wherein the third lens and fourth lens have a third optical center and a fourth optical center, respectively, that are spaced at a second optical center distance (OCD), thereby providing at least two optical center distances (OCDs) wherein, based upon a given Diopter power and the number of OCDs being provided, ranges for the OCDs are determined and are selected to reduce the prism for a greater segment of near pupillary distances (NPDs) occurring in an adult human population at the given Diopter power, said ranges varying by Diopter power; and providing said reading glasses for sale on an over the counter (OTC) retail non-prescription basis.