Progressive lenses I have adapted to them but it takes a little time to adjust. I tried the bifocal with the line but they drove me crazy. Only concern I have had with the progrssive lenses is my lack of clear focus on the ground. When I walk in the woods it makes it hard to discern between sticks and snakes. My dog is amused at my sudden leaps and and back steps. pk -- To terminate puerile preservation prattling among pals and the uncoffee-ed, or to change your settings, go to: <http://listserv.icors.org/archives/bullamanka-pinheads.html>