ACUVUE OASYS versus BiofinityLike ACUVUE OASYS®, CooperVision's Biofinity is a high-performance silicone hydrogel contact lens.  They are both made with a water-loving (hydrophilic) material that has the ability to absorb water and both claim this will make the lens soft, flexible and comfortable.

And, both lenses feature a special material and wetting agent technology. CooperVision calls it Aquaform®, and ACUVUE OASYS® utilizes HYDRACLEAR Plus.  We are looking at both lenses in this overview and are comparing some important technical parameters and features.

ACUVUE OASYS and Biofinity: Spec Sheets

 
ACUVUE OASYS®
Biofinity
Product Image Acuvue Oasys Biofinity
Manufacturer Johnson & Johnson Vision Care, Inc. CooperVision, Inc.
part of
The Cooper Companies Inc.
Release Date 2005 2007
Prescription Parameters
Replacement Schedule Two weeks Monthly
Wearing Details Daily wear or
up to 6 consecutive nights extended wear
Daily wear or
up to 30 days extended wear
Available Sphere Powers -12.00D to -6.00D in 0.5 steps
-6.00D to +6.00D in 0.25 steps
+6.00D to +8.00D in 0.5 steps
-12.00D to +8.00D
(in 0.5 steps after +-6.00D)
Available Base Curves 8.4 mm
8.8 mm
8.6 mm
Available Diameters 14.0 mm 14.0 mm
Technical Parameters
FDA Group V V
Lens Material Silicone hydrogel
(Senofilcon A)
Silicone hydrogel
(Comfilcon A)
Lens Type Spherical Aspherical
Wetting Agent Yes
- PVP
None
% of Material 62% 52%
% of Water 38% 48%
Center Thickness 0.07 mm 0.08 mm
Oxygen Transmission 147 Dk/t 160 Dk/t
Modulus 0.7 MPa 0.75 MPa
Other Features
Special Features Internal wetting agent Polyvinyl pyrrolidone (PVP) using HYDRACLEAR® PLUS technology for better wettability and lens surface smoothness. Aquaform® Technology
UV Blocking Class 1
96% UVA
99% UVB
No
Dynamic Light Absorption No No
Visibility Tint Yes
(blue)
Yes
(Sofblue®)
Inside-out Mark Yes
(123)
No
Packaging, Pricing and Ratings
Packaging Details 6 lenses per box,
each lens in a foil-sealed plastic package
6 lenses per box,
immersed in buffered 0.83% saline
Price Range $26 - $34 $35 - $50
Cost per Day $0.28 - $0.38 $0.19 - $0.28
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Conclusion:

Can we call one of the lenses the winner in this comparison? We don't think so. Biofinity might be a bit cheaper (considering that it is a monthly replacement lens) than ACUVUE OASYS®, but OASYS® features UVA and UVB blocking (we couldn't find any information on Biofinity offering UV blocking so we marked that parameter as unknown).