Optima 38 / SP

Optima 38 SPOptima 38 / SP contact lenses from Bausch and Lomb are designed for patients suffering from hyperopia or myopia.  The lenses have increased mid-peripheral thickness to create good handling across the power range.  To make certain of good on-eye lens centration, the rear surface is lathe cut.  Optima 38 / SP lenses are made with a light visible tint to help you locate your lenses in the solution.

Lens Material
The lens material (polymacon), is a hydrophilic polymer of 2-hydroxyethyl methacrylate, and is 38.6% water by weight when immersed in saline solution. These lenses are hemispherical flexible shells.


Lens Parameters
Chord Diameter: 14.0mm
Center Thickness: 0.06mm (-3.00 D) to 0.16mm (+3.00 D)
Base Curves: 8.4, 8.7 and 9.0mm
Power: +5.00 to -5.00 (-9.00)

Lens Properties
Specific Gravity: 1.12
Refractive Index: 1.43
Optical Zone: 9.0 – 10.0mm (-), 8.00mm (+)
Dk: 8.5
Water Content: 38.6%.

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