+1 on mail order glasses. (I'm wearing mine now). A bit of work to get all the numbers right (PD) but savings of 50% or more. Most places have a 100% guarantee.
Good site with lots more information ( and discounts)
WARNING & DISCLAIMER:
SELECT AND USE OUTDOORS AND SURVIVAL EQUIPMENT, SUPPLIES AND TECHNIQUES AT YOUR OWN RISK. Information posted
on this forum is not reviewed for accuracy and may not be reliable, use at your own risk. Please
review the full WARNING & DISCLAIMER about information on this
site.