Nowadays many people spent much time at their computers. So much people have problems with their eyesight.
100 years ago lived a American scientist William Bates. Here is a link to wikipedia where you can read something about him: http://en.wikipedia.org/wiki/William_Bates. And here is an information about how eyesight works and how to make is sharp and clear: http://www.iblindness.org/books/bates/. Thanks to this theory thousands of people have disposed of glasses. All you need to do is eyes training. And be patient!
http://rapidshare.com/files/49940434/Perfect_Eyes.pdf here is one more ebook about eyes.

2-fraction computer mouse for foot. In The package is included maneuvre “slipper” and key panel with the similar buttons that usual mouse, including roll and extra buttons what are programmable.
Bluetooth earphones are nice, but they are expensive and you can easily lose theme.
That is screen what is made of e-paper (electronic paper) and this 48-inch wide size screen is made by firm Fujitsu Frontech. The basic of this construction is 12 inch big FLEPia screens with are connected in one big massive. This screen is only 54 millimeters thick and its weight is only 32 kg but what’s more important is that its electricity usage is ten times smaller than analog LCD screen.
English company Ceravisiona has made new light source that has not glower or electrode.