Aspheric-Plus Press-On™ Lens

Description3M™ Press-On™ Optics are useful for some refractive corrections and you can use both types of optics for either temporary or long term corrections. * Used for refractive /- correction – these are not prisms.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 calculationInternational Orders may be accessed Duty / Taxes at the time of delivery – these are not pre-paid3M Press On BookletApply a Press-On sphere to the back surface of one or both lenses of the patient`s eyeglasses with just water. It can be applied to the entire lens or to any region of the lens.  3M™ Press-On™ Plus Optics: Range: 0.5 D to 16.0 D Material:  Polyvinyl Chloride  Thickness: 1 mm  Diameter:  63.5 mm Units/Package:  1 LensNo returns on cut or expired lenses or if the packaging has be labeled or marked.Call for Return Authorization Number