CES: Tuneable specs allow you to regulate your lenses

A pair of glasses with “tuneable” lenses has been unveiled at this yr’s digital CES tech present.The Voy glasses work as each studying glasses and distance glasses in a single, because the lenses could be adjusted from +2.zero to -5.zero prescriptions.BBC Click’s Chris Fox tried on the “jam jar” specs.See extra at Click’s web site and @BBCClick