Lenses>Specialty GP>Multifocal>CAD Near Lens (Computer Aided Design)
Design
Spherical, Large Optic Zone allowing the clear distance those GPs are famous for. In addition a large zone optimizes centration of the lens.
Back Surface Aspheric Periphery is identical to that of a, simple to fit, comfortable, CAD single vision lens.
Front Surface Aspheric Trifocal
Binocular Vision
Distance Center Multifocal
Dynamic mid-range zone locate in the mid-periphery of the front surface called the PCD range, or Personal Communication Device range changes the accommodation of patients so they have the proper distance, intermediate, and near point exactly when they need it. .
Manufactured in any material of your choice.
Candidates
Chronic 3-9 stain patient
Patients who are a good spherical GP lens candidate
Myopic, Hyperopic or Low Astigmatic with Presbyopia
Lens Parameters
Base Curve:
5.50mm to 9.75mm
Distance Power
-15.00D to +15.00D
Diameter
9.5, 10.0
Add powers available up to +3.00D in .25D steps.
Center Thickness
Thin lens design
Lenticular Design>
All lenses are lenticularized to control anterior edge thickness.
Fitting
Use the CAD Pak with HVID ruler
(Ask for your CAD Pak from a Valley Contax Representative)
Call Valley Contax with Ks & Rx.
Use trial lenses in a diagnostic set.