Biofinity vs PureVision2 - Comparison

Biofinity and PureVision 2 are monthly replaceable silicone hydrogel lenses. While PureVision is a daily-wear lens, Biofinity can be worn up to 7 days continuously based on your eye doctor's approval. Biofinity is slightly stiffer, but lets more oxygen through than the PureVision lenses. The cost is similar and typically ranges from $35 to $45 per box.

Biofinity		PureVision2
Product Image
Manufacturer	CooperVision, Inc. part of The Cooper Companies Inc.	Bausch & Lomb Inc.
Release Date	2007	2011
Prescription Parameters
Replacement Schedule	Monthly	Monthly
Wearing Details	Daily wear or up to 6 nights or 7 days extended wear	Daily wear or extended wear up to 30 days
Sphere Powers	-12.00D to +8.00D (in 0.5 steps after +-6.00D)	+6.00 to -6.00D in 0.25 steps -6.00D to -12.00D in 0.5 steps
Base Curves	8.6 mm	8.6 mm
Diameters	14.0 mm	14.0 mm
Technical Parameters
FDA Group	V	V
Lens Material	Silicone hydrogel (Comfilcon A)	Silicone hydrogel (Balafilcon A)
Lens Design	Aspherical	Aspherical
Wetting Agents	None	None
% of Material	52%	64%
% of Water	48%	36%
Center Thickness	0.08 mm	0.07 mm
Oxygen Transmission	160 Dk/t	130 Dk/t
Modulus	0.75 MPa	1.1 MPa
Other Features
Special Features	Aquaform® Technology Aspheric Optics	High Definition Optics for reduced halos and glare. ComfortMoist Technology for initial and overall comfort.
UV Blocking	No	No
Dynamic Light Absorption	No	No
Visibility Tint	Yes (Sofblue®)	Yes (light blue)
Inside-out Mark	No	Unknown
Packaging, Pricing and Offers
Packaging Details	6 lenses per box, immersed in buffered 0.83% saline	6 lenses per box, immersed in a poloxamine solution
Price Range	$35 - $50	$30 - $53
Cost per Day	$0.19 - $0.28	$0.17 - $0.29
Online Retailers	Special Deals	Special Deals