gunnar

i always thought there was a knock knock joke that was like 'knock knock' 'whos there' gunnar gunnar who but i dont remember the end. help please.

I need prescription glasses and I use my computer a lot (video games). My eyesight problem is distance viewing, not close range, however, my eyes do get strained sometimes while viewing the computer. Will these glasses (http://gunnars.com/remix/esport_mlg.php) with the prescription work for...