VSP has expanded its line of Unity progressive lens with Cascade Technology, reports Healio Optometry. “The lenses combine the Cascade Technology, which uses base curve technology for a curved front surface, a backside freeform design and the patient’s position-of-wear measurements, according to VSP Optics representative Dave Delle Donne.”The lenses reportedly are available in CR-39, CR-39 Transitions, CR-39 polarized, polycarbonate, polycarbonate Transitions, polycarbonate polarized, high-index Trivex, Trivex Transitions, and Trivex polarized materials. Read more.
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