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 »  Home  »  Contact Lenses  »  Contact Lens Reviews  »  Choice AB
 »  Home  »  Contact Lenses  »  Contact Lens Types  »  1 to 2 Week Disposable Contacts  »  Choice AB
 »  Home  »  Contact Lenses  »  Contact Lens Manufacturers  »  CIBA Vision  »  Choice AB
Choice AB
By eyeTopics Review Editor | Published  03/24/2006 | Contact Lens Reviews , 1 to 2 Week Disposable Contacts , CIBA Vision | Unrated
Choice AB


Patients are given crisp, irritant-free vision when wearing Choice AB contact lenses.  CIBA Vision Choice AB disposable contacts are replaced with new lenses after on to two weeks of use, avoiding the buildup of pollutants that can irritate your vision and cloud your vision.  Locating your Choice AB lenses in the Cleaning solution is easier because of the light tint that the lenses are infused with.


Lens Material
The lens material (methafilcon A) is a hydrophilic polymer of 2-hydroxyethyl methacrylate (HEMA) and methacrylic acid cross-linked with ethyleneglycol dimethacrylate (45%) and water (55%). Choice AB (methafilcon A) Soft Contact Lenses are tinted using the following color additive: Reactive Blue 19.

Lens Parameters 
Chord Diameter:14.0mm to 15.0mm
Center Thickness:0.06mm to 0.40mm
Base curve:8.40mm to 9.30mm
Powers:-20.00 Diopters to +20.00 Diopters

Lens Properties
 
Refractive index:1.42
Light Transmittance:Approximately 98%
Surface Character:hydrophilic
Water Content:55%
Specific Gravity:1.06
Oxygen Permeability (Dk):18.8 x 10-11 (cm2 /sec) (ml O2 /ml x mm Hg) at 35 degrees C [Fatt Method for determination of oxygen permeability]


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Choice AB  CIBA Vision Choice AB disposable contacts are replaced with new lenses after on to two weeks of use, avoiding the buildup of pollutants that can irritate your vision and cloud your vision.

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