Description
For use in water, use the following formula to find the right diopter lens for you:
(1/2)(Cylinder) + Sphere = Diopter. (found on your most recent Rx)
Water will refract light and correct vision a bit without any prescriptive power applied.
With that in mind, always select a diopter strength that is one step lower than the outcome of your calculation
These may not be returned as they are cut for each order. – Sorry
International Orders may be accessed Duty / Taxes at the time of delivery – these are not pre-paid
3M Press On Booklet
Made in the USA
* Used for refractive +/- correction – these are not prisms.
May be used to adapt sunglasses to bifocals or swim goggles or dive masks for Rx correction.
Apply a Press-On sphere to the back surface of one or both lenses of the eyeglasses with just water and the capillary action between two wet surfaces.
3M™ Press-On™ D-Seg Aspheric Optics:
Range: +0.5 to +16.00
Material: Polyvinyl Chloride
Thickness: 1 mm
Dimensions: 25.4 mm x 16 mm
Pre-die cut D-shape
Units/Package: 2 pre-cut lenses per package
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