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Tusa Liberator Swim Goggle Corrective Lens

Due to screen differences, color of actual product may vary slightly.
This item cannot be purchased at this time. This item is discontinued and we do not have any more in stock. Please contact us for alternative recommendations. This item is discontinued and we do not have any more in stock. Please contact us for alternative recommendations. You've requested 1 of this item, but the per-order limit is 2 . You've requested 1 of this item, but we only have 2 in stock and this item cannot be back-ordered. You've requested 1 of this item, but the per-order minimum is 1 . You've requested 1 of this item, but this item must be purchased in multiples of 1 . This item is discontinued. We have a few left in stock, but won't be able to get more once they're gone. You've requested 1 of this item, but we only have 2 in stock. We expect the item(s) to ship on November 30, -0001 , but the ship date is not guaranteed. The typical lead time is 1 - 14 days, but the ship date is not guaranteed.




Liberator Lens

*** This is an AquaGear Close-Out Item - Limited to Quantity in Stock ***

Use the Tusa Liberator Lens lens to replace the standard non-prescription Liberator Lenses. Available in diopter from -2.0 through -7.0 in 0.5 increment. -4.0 through -7.0 call for special order.

Finding Your Diopter Strength

Although similar to your glasses prescription, swim goggle diopter lenses require a quick calculation to ensure that the proper strength is selected and post-swim headaches are avoided. Looking at your prescription, you'll want to locate the sphere and cylinder for each eye. Use the following formula to find the right diopter lens for you:

(1/2)(Cylinder) + Sphere = Diopter

Example: If your left eye (OS) has a sphere of -4.5 and a cylinder of +.25, your diopter strength would be as follows:

(1/2)(.25) + (-4.5) = -4.375

Remember: Water will refract light and correct vision a bit without any prescriptive power applied. With that in mind, if your calculation does not end with a .5, select a diopter strength that is one step lower than the outcome of your calculation. In the example above, with calculation of -4.375 you should order a -4.0, not -4.5 diopter strength. If you need help, please give us a call or open a chat session for guidance.

Simple conversion for V-3A

Super Anti-Fog treatment

100%U.V.protection

Smoke lens only.

Materials: Polycarbonate

Choose your prescriptions from the options. Price per each lens - add two lenses to cart.


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