The worst seemed to be over, when, in midafternoon, his computer died under his eyes.
"It was as if the computer were looking into the eyes of his victim" commented the lead commentator of the match, Grandmaster Maurice Ashley.
The Tobii PCEye eye tracking system allows people with limited motor skills and certain neurological problems, to use their eyes to tell their computer what to do.
Exactly two years after being diagnosed with ALS, Gleason is now confined to a wheelchair and uses his eyes to operate a computer that allows him to move and speak.
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It's best to measure your work environment, noting exactly how far your eyes are from your computer screen, keyboard and desk surface, as well as from any laptop or hand-held devices you use.
They are the fingers and eyes and noses of the computer, bringing the world (be it a car crash, pressure in a fuel line, or light in a fiber-optic network) into the boxed, insular space that sits quietly on desktops.
The MREAL System for Mixed Reality (that's the full name -- or, if you want to drill down even further: the headset is the HM-A1 and the software platform is MP-100) generates video of one's surroundings using a pair of cameras positioned in front of the wearer's eyes, which is combined with computer-generated graphics.
Those interested in digital storage and the development of consumer, computer and enterprise technology will want to keep their eyes peeled for development next week and in the future as very useful solid state storage devices assumes greater importance in the overall digital storage hierarchy.
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His eyes stared at the market statistics on the computer terminal, but his mind kept returning to the vendor scene.
Eyes are notoriously difficult to capture properly in computer animation, as anyone who has seen Beowulf knows full well, but are absolutely integral in transforming an animation into something alive.
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If a test taker is continually looking away from the computer, the proctors gently remind them: "Please keep your eyes on the screen, " Mr. Morgan said.
The fact that we had no prior experience with either shrink wrap software or computer programmers allowed us to look at the prevailing business model with unbiased eyes as well.
Although computer usage has not been conclusively shown to cause permanent damage to healthy eyes, there is evidence to suggest that small vision defects, which do not cause symptoms in everyday life, may start to cause problems when carrying out more visually demanding tasks.
If they succeed, the computer will move a cursor up or down a screen placed in front of their eyes.
Vision breaks are not just important for your eyes - research at Cornell University in New York State has found that computer workers who take short breaks are more productive than those who don't take breaks.
To relax the eyes, some experts recommend that for every 20 minutes spent staring at a computer, people should take a break for 20 seconds and look at least 20 feet away, ideally out a window.
It runs continuously on your computer but every hour the programme flashes up a message encouraging people to take a break and rest their eyes.
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