Cameras 2019 - Definity Lenses, Varilux definity, Definity™ lenses provide the widest intermediate zone and least amount of peripheral distortion of any progressive lens. definity™ lenses provide a much wider intermediate zone than conventional progressive lenses. definity™ lenses have significantly less peripheral distortion than conventional progressive lenses. with progressive lenses, peripheral distortion increases with add power.. Essilor definity progressive lenses now available in, Essilor manufactures optical lenses under the varilux®, crizal®, thin&lite®, definity™ and other essilor brand names. essilor laboratories of america (eloa) is the largest, and most trusted, optical lab network in the u.s. and offers a wide choice of services and lens brands, including essilor premium lenses, to eye care professionals across the nation.. Definity 3 | definity 3 plus lenses - luzerneoptical.com, Definity was the first progressive lens to: leverage dualoptixtm digitally surfaced technology for the entire family invent dual add®, to splitting the add power on both sides of the lens.