A unitary lens structure and method yielding a lens for eyewear formed to a unitary structure of a first lens portion and projecting portion adapted for grinding to a prescription lens. The unitary lens can include filtering material or layers only in the projecting portion or in both the projecting portion and first lens portion. Such structure is provided through forming the projecting portions to cured optical material first, and then positioning them in a mold for the first lens portion to be formed in the unitary structure upon curing of heated material forming the first lens portion.