Marling: You wrote in part: > Also, I tried to wear bi-focals for a year and found them completely > intolerable. Could this have anything to do with the PD, especially since > other > people do not seem so bothered as I was? > I too found it impossible to use bi-focals as they seemed to exacerbate my balance problems. Consequently I now have seperate reading glasses. Add my perscription sunglasses and finding where I have left any given pair of specs fills a significant part of my day. Dennis Dennis Greene [log in to unmask]