Just purchased them (4/18/08) from my Dr. who recommened them to me. Got home to my home office desk and put them on. Work GREAT!! My challenge had been having to look at my Computer screen though my bi-focals of my eye glasses. That made my neck extremely sore and produced strain in my shoulders etc. With the PC Peekers Computer Glasses they eliminate my neck strain. I now just look straight at my computer and have no pain from the abnormal positoning of my neck as before. It is worth the expense. My Dr. only charged me $23.00 for the PC… read full review »