"Tiny LEDs inside the IXI frame bounce invisible infrared light into your eyes while photodiodes, also within the slim eyeglass frame, pick up the reflection on your eyeballs while measuring and tracking what you're looking at. Then it converts that reflection and data into electrical signals that control the liquid crystals; like bifocals or progressives, the IXI has a reading area within the lens for near sighted vision, but that disappears entirely if it detects your eyes looking to the far distance."
""The eyewear industry hasn't really been innovating for vision correction," Eiden told CNN. "Maybe 10, 15 years from now people will be wondering, how did we wear those fixed focus glasses in the old days?""
"These special glasses have "dynamic lenses" made of liquid crystals, which can transform to accommodate whatever focal length the user's eyesight requires, IXI CEO Niko Eiden ."
A Finnish company, IXI, created eyeglasses with liquid-crystal dynamic lenses that adapt focal length automatically. Slim frames embed tiny LEDs that emit invisible infrared light and photodiodes that detect reflections from the eyeballs to measure gaze and distance. Electronic signals derived from those measurements change the liquid crystals to enable or remove a near-reading zone depending on where the user looks. The design aims to replace bifocals and progressive lenses and modernize vision-correction technology. The venture secured more than $36.5 billion in investment and plans a public launch next year, with a waiting list open.
Read at Futurism
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