You don't need to go to a dealer.....all you need to do is get a prescription from a local eye doctor ...and there is one dimension that DeCot needs that an optometrist doesn't normally put on a prescription ..and ask DeCot, they'll tell you what it is.
You can get your eyes checked at Costco ...and then just send the info to DeCot and they'll make up the glasses.
For my pistol shooting ...DeCot made up an extra lens ...for my dominant eye - with a different focul length ...so I can see the front sight of my handguns / left lens stays the same ( and that handgun lens / has a little groove on the side so I can identify it ) vs the other 2 light yellow lenses I use for Skeet, Sporting clays...
You can get your eyes checked at Costco ...and then just send the info to DeCot and they'll make up the glasses.
For my pistol shooting ...DeCot made up an extra lens ...for my dominant eye - with a different focul length ...so I can see the front sight of my handguns / left lens stays the same ( and that handgun lens / has a little groove on the side so I can identify it ) vs the other 2 light yellow lenses I use for Skeet, Sporting clays...