Liberty Sport

Perfecting Sports Eyewear Since 1929.

 

NASA

Liberty Sport’s Switch Magnetic Interchange Technology is now being used by NASA. 

Switch offers a multiple Rx solution in one frame to support and enhance vision in changing light and atmospheric conditions without sacrificing performance. After passing the rigorous testing required by NASA, in 2016 Switch will be launching into space as the performance eyewear solution for their astronauts.

The design of Switch allows one to instantly adapt to the changing light conditions and is now perfectly applied to the need for progressive vision correction required by some astronauts during prolonged periods in space. The high-energy magnets embedded in the lens and frame allows the astronauts to swap the lenses, specially made for each astronaut in the Liberty Sport lab, to the varying degrees of prescription increase needed.

With the use of the Switch frames and magnetic interchange technology, the need for multiple frames and lenses is removed, thus saving precious ounces of weight aboard the spacecraft. Switch technology offers a simple solution to ensure clear vision of NASA’s astronauts in extreme atmospheric conditions.

Benefits of Switch Technology

  •  One performance eyewear solution that incorporates the complete Rx solution with multiple lens technology
  •  Magnetic technology keeps the lens in place and allows for rapid lens replacement
  •  Switch allows for optimal performance in changing light conditions for athletes to astronauts – our performance eyewear solutions are for everyone.

How Switch benefits the Astronauts

  • Evidence suggests that microgravity conditions in space affects vision causing a shift toward farsightedness in most people
  • Most astronauts are over 40 and already require a prescription for presbyopia, a condition where the lenses of the eyes become increasingly inflexible making it difficult to focus on things close up
  • NASA flies “space anticipation” glasses for crew members over the age of 40 and multiple pairs for those that already require a prescription to ensure clear vision and pre-empt possible vision changes

This is the result of our efforts to continually engineer performance eyewear solutions to solve vision problems in a variety of sporting and lifestyle activities. We are proud to now have a vision technology and solution that supports the vision needs of our astronauts. Switch technology now offers a simple solution to ensure clear vision of NASA’s astronauts and allows them to see right in and out of this world.

POWERED BY SWITCH™

Now you’re ready for anything.

Powered by Switch™ leverages the magnetic technology brought to you by our Switch interchangeable magnetic lens sunglasses line.  Formerly referred to as Magtraxion, our Powered by Switch™ technology lets you convert hard-working performance sunglasses to fashion-forward sunwear in seconds. The integrated venting allows natural airflow for reduced fogging and the back cushions or side cups that utilize these magnets are easy to remove and store.  These powerful magnets hold securely in place and offer you two frames in one.

 

magnetic lens sunglasses

ILLUSION

Our patented Rx sunglasses adaptor system allows opticians to glaze sunglasses designed to look like 8-base rimless styles with 6-base lenses. A perfect solution if you have demanding prescriptions but want the look of swept-back sunglasses.

AUTOFIT

A perfect fit starts at the bridge.

That’s why we developed the AutoFit nose bridge, which automatically customizes to the unique shape of your bridge. The nosepad material is made of soft, hypoallergenic and water resistant thermoplastic rubber for greater comfort, grip and durability. And the dual channel nosepad design helps to increase airflow and prevent moisture buildup on the inside of the lens.

MAGNETIC INTERCHANGE LENS SYSTEM

One is never enough.

When conditions change, Switch lets you adapt instantly with the world’s first Magnetic Interchange Lens System™. Switch uses high-energy magnets embedded in the lens and frame that let you swap in the lens you need quickly and easily. These lenses practically jump into place, but stay put once they’ve snapped into position. And they’re engineered to stay in the frame when dropped from a height of six feet or subjected to the repeated jarring of skiing, snowboarding, running or mountain biking. So stop carrying around multiple pairs of bulky sunglasses. If you need Rx lenses one day but not the next, or if your day takes you through changing activities and light, Switch is the answer.

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