The Eyejusters are n’t the universe ’s firstadjustable eyeglassesthat can be tweak without the need for an optometrist . But they take a new approach path to the idea that seems to pop the question some distinct reward .
Previous feat have usedflexible liquid - take lensesthat become thin or thick as liquids are pumped in and out . But the Eyejusters instead use a pair of specially - shaped sandwiched lens that are able-bodied to slither across each other . And as the situation of the lenses change by plow a removable readjustment tool , so does their focal reach .
https://gizmodo.com/eyeglasses-with-fluid-filled-sac-for-worlds-poor-are-in-5116969
Both adaption methods were develop to create highly affordable eyeglasses for people living in under - developed nations , and while someone who commonly could n’t open glasses probably does n’t care what they look like , the Eyejusters do come out to be slightly more fashionable than the melted lens of the eye alternatives . And more significantly , anyone can really buy a pair of Eyejusters now for just$40 . Of course , if you have access to an optometrist and can afford a duad of prescription eyeglasses , those are probably a unspoilt foresightful - full term result . But as a twosome of take specification , the tractability here makes these seem like a worthwhile backup .
[ EyejustersviaThe Red Ferret Journal ]
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