link helvetica, search sans-serif; text-align: justify;">w2408hThe vast majority of screens available on the market now are LCD screens (Liquid Cristal Display) with so numerous advantages over CRT cathode screens that one should not hesitate to take the plunge:


Finally, there are glasses or helmet with integrated display, at reasonable prices again, which have the advantage of following the movements of the head of the wearer, but the disadvantage of blurred vision when looking for a letter on the keyboard for example.