Practical Aspects
Because of the technology needed (eye tracking + adaptive optics), the glasses have built-in power and require charging — typically daily or every couple of days.
If the battery runs out, lenses revert to a default distance prescription, meaning you can still see farther objects clearly.
In summary, eye tracking is fundamental to how IXI’s autofocus eyewear works — it senses exactly where your gaze is directed and instantly tweaks the lens optics so what you’re looking at is sharp, without you having to tilt your head or swap glasses.

