Biomedics 55 Evolution
CooperVision
ManufacturerCooperVision
Brand familyBiomedics
CategoryMonthly
Material (USAN)ocufilcon D
Material classHydrogel
FDA groupIV
Dk (material)20 ×10⁻¹¹
Dk/t (@ -3.00 D)28 ×10⁻⁹
Water content55%
Base curve(s)8.6, 8.8, 8.9 mm
Diameter(s)14.2 mm
Sphere power+8.00 to -10.00 D (0.25 D to -6.00, then 0.50 D)
Replacement1 month
Wear scheduledaily wear
UV blockingClass 2
Pack sizes6
Verified✓ CooperVision Product Reference Guide · 9/2026
Verify parameters against current manufacturer documentation before fitting.