Studio : Adlens USA Publisher : Adlens USA Binding : Eyewear Product Description Turn the dial to instantly adjust each lens for near, intermediate and distance vision -6 to 3 diopter range on each lens Each lens can be adjusted individually, making them the perfect spare pair Brand new exclusively designed temples that not only look good, but also provide a more secure fit Perfect for reading, watching TV, gardening or any other activity Features award-winning Alvarez dual lens technology; two wave-shaped plates slide across one another as you turn the dials, changing the power of the lens. 0
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