CibaSoft Standard Visitint contacts from CIBA Vision are vial contact lenses designed to be worn as daily lenses for up to a year and discarded.  The lenses provide you with comfortable, crisp vision throughout the day.  CibaSoft Standard Visitint lenses are made with a visible tint to help you locate your lenses in the solution.

 

Lens Material
The lens material, tefilcon, is a hydrophilic polymer of hydroxyethylmethacrylate. 

Lens Parameters  
Chord Diameter: 13.8mm
Center Thickness: 0.10mm at -3.00D, 0.15mm at +3.00D
Base Curves: 8.3mm, 8.6mm, 8.9mm
Power: -6.00D to +6.00D
Approved Power Range: -25.00D to +25.00D

Lens Properties
 
Specific Gravity: 1.18
Refractive Index: 1.43
Water Content: 37.5% by weight in normal saline.
Luminous Transmittance: 90%
Oxygen Permeability (Dk): 8.9 x 10 -11 (cm/sec)(ml O2/ml x mm Hg), measured at 21 degrees C (Fatt Method)

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