Eyeglass lens modules and method

Abstract From the Canadian patent

Disclosed is an eyeglass lens module in which two lens components are formed. The first component is the conventional single vision stock lens having conventional corrections in the negative or positive diopter range and, indeed, for the patient requiring only bifocals or trifocals, the single vision stock lens can be of zero correction. The second veneer over-lay lens component is desirably formed of a plastic or glass material and is as thin as practical so that it becomes a veneer cover. These veneer over-lays are in modules containing bifocals or trifocals or vocational modifications of a given diopter correction. They can also contain special vocational features such as upper bifocals …