new! unity plxpression - vsp optics · pdf fileunity progressive lenses are your simple,...
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NEW! UNITY® PLxpression
with CascadeTM Technology
UNITY Progressive Lenses are your simple, easy-to-dispense solution delivering quality and technology in a complete range of choices to meet all your patients’ needs.
Introducing UNITY PLxpression with Cascade Technology— Delivering Power Where You Need It
The UNITY PLxpression lens design incorporates the patented and proprietary Cascade Technology, which employs variable base curve technology to deliver the next level of lens customization. This breakthrough technology unifies a unique, variable base curve front surface with a backside freeform design and the patient’s position-of-wear measurements. The combination adds up to the ultimate in customized vision, delivering:
• fully optimized viewing zones;• enhanced visual performance from a refined compensated Rx;• improved cosmetics for select prescriptions.
*0.50 add is beneficial for early emerging presbyopes.
©2012 Vision Service Plan. All rights reserved. UNITY is a registered trademark of Vision Service Plan. Cascade is a trademark of VSP Labs, Inc. U.S. Patent 8,042,941 B2 CAT#00179 JOB#10842XA 9/12
Product Availability Guide
UNITY PLxpression Progressive Lenses
Material Index Base Curve Power Range Add Power* Cylinder
CR-39 1.49 0.5; 2; 3; 4; 5; 6; 7; 8 -13.50 to +7.00 +0.50 to +4.50 Up to -5
CR-39 Transitions 1.49 0.5; 2; 3; 4; 5; 6; 7; 8 -13.50 to +7.00 +0.50 to +4.50 Up to -5
CR-39 Polarized 1.49 0.5; 2; 3; 4; 5; 6; 7; 8 -13.50 to +7.00 +0.50 to +4.50 Up to -5
Polycarbonate 1.59 0.5; 2; 3; 4; 5; 6; 7; 8 -15.00 to +7.00 +0.50 to +4.50 Up to -5
Polycarbonate Transitions 1.59 0.5; 2; 3; 4; 5; 6; 7; 8 -15.00 to +7.00 +0.50 to +4.50 Up to -5
Polycarbonate Polarized 1.59 0.5; 2; 3; 4; 5; 6; 7; 8 -15.00 to +7.00 +0.50 to +4.50 Up to -5
To learn more visit vspopticsgroup.com/UNITY.
Materials listed are basic availability guidelines. Upper limits may vary based on frame size, decentration and blank size.
Variable Base Curve Front Surface
180º
Curvature decreases in upper part of blank
Curvature increases in lower part of blank
The unique UNITY PLxpression blank, formed with patented variable base curve technology, is combined
with the PLxpression backside freeform design and customized position-of-wear measurements to provide
the ultimate customization for the patient.
0º
SV Blank
PLxpression Blank
PLxpression Semi Finished Blank
Variable Base Curve Profile
PLxpression Rx Design Component Position-of-wear
Individualization (frame wrap, back-vertex distance, pantoscopic tilt)
UNITY PLxpression with Cascade Technology
Finished PLxpression Progressive Lens