[This Lens Is Great For General Use As Well As Many Outdoor Activities] Theycan protect the eyes in very little light and sharp vision (inside or pre dawn)through to the sunniest of conditions.
Anti-wear, anti-drop, lens light, PC HD, optimized thickness design, light weight,ultra-thin, sturdy, scratch-resistant, waterproof and oil-proof, providing youwith more reliable safety protection.


When fluid is injected into the chamber, the elastic membrane bows outwards or inwards tochange the power of the lens. Therefore, turn one dial at a time slowly while looking at an eyechart until the letter comes to focus, then turn the other dial until that side also becomes clear.

You can even adjust its focus from the nearest to the farthest, for crystal clear 20/20 vision inseconds. Made of polycarbonate material and impact-resistant lenses, it has flexible framesthat fit heads of all sizes, as well as durable enough to withstand drops and accidental force.No prescription needed beforehand. It could be your myopia glasses, and even acting as a pairof reading glasses! No more big expenses!