Frequency 55 Multifocal
CooperVision
ManufacturerCooperVision
Brand familyFrequency
CategoryMonthly
Lens typeMultifocal
Material (USAN)methafilcon A
Material classHydrogel
FDA groupIV
Dk (material)20 ×10⁻¹¹
Dk/t (@ -3.00 D)19.7 ×10⁻⁹
Water content55%
Base curve(s)8.7 mm
Diameter(s)14.4 mm
Sphere power+6.00 to -10.00
Add powerD and N lenses, Balanced Progressive System
Replacement1 month
Wear scheduledaily wear
UV blockingno
Pack sizes6
AvailabilitySuperseded by Biofinity Multifocal / Proclear Multifocal.
Verify parameters against current manufacturer documentation before fitting.