<http://schema.org/description>
"Washington, August 26 (ANI): Glasses that adjust with the  flick of a finger may offer a solution to astronauts with deteriorating eyesight, say NASA scientists.hey  are evaluating the glasses to see if they are  durable  and safe enough to be used by astronauts in orbit."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.oneindia.com/2010/08/26/nowadjustable-glasses-for-astronauts-withdeteriora.html>