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 Type	Aspherical	Aspherical
Wetting Agent	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	- 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 (U.S., Canada, U.K.)	Special Deals	Special Deals