eyeTopics.com - http://www.eyetopics.com
Acuvue Advance for Astigmatism
http://www.eyetopics.com/articles/141/1/Acuvue-Advance-for-Astigmatism.html
eyeTopics Review Editor
 
By eyeTopics Review Editor
Published on 03/22/2006
 
The patented Accelerated Stabilization Design and Hydraclear moisture rich element used in the making of the Acuvue Advance for Astigmatism contact lens give you superior comfort and stable vision control.

Acuvue Advance for Astigmatism

Acuvue Advance for Astigmatism contact lenses are designed as 1-2 week disposable lenses to be worn as daily lenses for up to two weeks and discarded.  The patented Accelerated Stabilization Design and Hydraclear moisture rich element used in the making of the Acuvue Advance for Astigmatism contact lens give you superior comfort and stable vision control.  Johnson and Johnson Disposable lenses reduce the amount of deposits that build up on the lenses and irritate your vision, making Acuvue Advance for Astigmatism contacts an ideal choice for those new to wearing contact lenses.


Lens Material

The lens material (galyfilcon A) is a copolymer of 2-hydroxyethyl methacrylate and (3-methacryloxy-2 hydroxypropyloxy) propylbis (trimethylsiloxy) methylsilane and N,N-dimethylacrylamide, and polyvinylpyrrolidone and mPDMS-monomethacrylate(n=11), and 2-propeonic acid, 2-methyl-, 1,2-ethandiyl ester.      

Lens Parameters 
Diameter:12.0mm to 15.0mm
Center Thickness:e.g., -3.00D: 0.070mm
Base Curves:7.85mm to 10.00mm
Powers:-20.00D to +20.00D
Cylinder:-0.25D to -10.00D
Axis:2.5 degrees to 180 degrees

Lens Properties
 
Specific Gravity:0.98 - 1.12
Refractive Index:1.41
Light Transmittance:89% minimum
Water Content:47%
Oxygen Permeability:60 x 10-11 (cm2/sec) (ml 02/ml x mm Hg) at 35 degrees C (Boundary and Edge Corrected)
 70 x 10-11 (cm2/sec) (ml 02/ml x mm Hg) at 35 degrees C (Boundary Corrected, Non-Edge Corrected)