SofLens 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.
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.
|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)|
|Light Transmittance (tinted):||C.I.E. value–approximately 99%|
|Oxygen Permeability:||32 x 10 x [-11][cm3O2(STP) x cm]/(sec x cm2 x mmHg) @35 degrees C (Polarographic Method)|