AIR OPTIX for ASTIGMATISM vs PureVision2 for Astigmatism

AIR OPTIX for ASTIGMATISM		PureVision2 for Astigmatism
Product Image
Manufacturer	Alcon Inc.	Bausch & Lomb Inc.
Release Date	2007	2011
Prescription Parameters
Replacement Schedule	Monthly	Monthly
Wearing Details	Daily wear or up to 6 nights extended wear	Daily wear or extended wear up to 30 days
Sphere Powers	+6.00D to -6.00D in 0.25 steps -6.50D to -10.00D in 0.50 steps	-9.00D to -6.00D in 0.5 steps -6.00D to +6.00D in 0.25 steps
Cylinders	-0.75D, -1.25D, -1.75D and -2.25D	–0.75D, –1.25D, –1.75D, -2.25D
Axes	Full circle in 10° steps	10°-180° in 10° steps
Base Curves	8.7 mm	8.9 mm
Diameters	14.5 mm	14.5 mm optic zone: 8.0 mm
Technical Parameters
FDA Group	V-C	V
Lens Material	Silicone hydrogel (Lotrafilcon B)	Silicone hydrogel (Balafilcon A)
Lens Design	Aspherical	Aspherical
Wetting Agents	Unknown	None
% of Material	67%	64%
% of Water	33%	36%
Center Thickness	0.102 mm	0.1 mm
Oxygen Transmission	108 Dk/t	91 Dk/t
Modulus	1.0 MPa	1.1 MPa
Other Features
Special Features	TriComfort™ Technology High wettability through low contact angle. Permanent plasma treatment for a smooth surface. Precision Balance 8|4™ Design SmartShield Technology	Auto Align Design with hybrid ballasting for better stability and orientation. 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 Light Blue (VISITINT®)	Yes (light blue)
Inside-out Mark	No	Unknown
Packaging, Pricing and Offers
Packaging Details	6 lenses per box, each lens in a foil-sealed plastic package	6 lenses per box, immersed in a poloxamine solution
Price Range	$40 - $65	$47 - $65
Cost per Day	$0.22 - $0.36	$0.26 - $0.36
Online Retailers	Special Deals	Special Deals

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