SofLens 66 Toric

SofLens 66 ToricSofLens 66 Toric contact lenses from Bausch and Lomb are 1-2 week disposable lenses designed to be used by patients with astigmatism.  Because they are replaced on a routine basis, SofLens 66 Toric lenses ensure that astigmatic patients fresh, clean lenses that will not irritate their eyes and aggravate their vision.  SofLens disposable lenses are made with a light blue visibility tint to assist in locating the lenses in the solution, making them ideal for the first time contact lens user.

Lens Material

The lens is made from a copolymer of 2-hydroxyethyl methacrylate, Nvinyl pyrrolidone and 4-tertiary butyl-2-hydroxycyclohexyl methacrylate, and is 66% water by weight when immersed in a sterile solution of sodium chloride and a borate buffer.

Lens Parameters
Base Curve: 8.5mm
Diameter: 14.5mm
Sphere Powers: +6.00 to -6.00D in 0.25D steps
-6.50D to -9.00D in 0.50D steps
Center Thickness: 0.190mm @ -3.00D (varies with power)
Lens Properties
Specific Gravity: 1.075
Refractive Index: 1.390
Light Transmittance (tinted): C.I.E. value–approximately 99%
Water Content: 66%
Oxygen Permeability: 32 x 10 x [-11][cm3O2(STP) x cm]/(sec x cm2 x mmHg) @35 degrees C (Polarographic Method)

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