|archmage||Date: Thursday, 28-April-2011, 11:24 AM | Message # 1|
-- dragon lord--
|* The lenses contain a thin layer of liquid crystal that changes its alignment when prompted |
They may look like an ordinary pair of spectacles, but these glasses are at the forefront of a revolution in eyewear.
Part of a new line of electronic eye glasses called emPower, they allow bifocal wearers to switch between different prescription settings for reading and more distant viewing.
emPower spectacles contain the world's first electronic focusing lenses.
The lenses contain a thin layer of liquid crystal that changes its alignment when prompted, thereby changing the strength of focus.
Full article/source - http://www.dailymail.co.uk/science....es.html