http://www.hdl-3c.com/customer/mainm...?section=pilot
quote:
The patented HDL-3CT lens technology was designed specifically for the
Aviation Industry.
:unquote
Yet, a search of google archives does not come up with a single instance of
this technology being discussed in any aviation newsgroup.
When I asked my optometrist's dispenser, they claimed never to have heard of
it.
Anybody using this technology? Any comments?