Rapid, unconscious eye movements explain a famous optical illusion in which a still image appears to move. When the eye movements, called microsaccades, were suppressed, test subjects reported that ...

For nearly 500 years, people have been gazing at Leonardo da Vinci's portrait of the Mona Lisa with a sense of bafflement. First she is smiling. Then the smile fades. A moment later the smile returns ...

While we perceive our surroundings in a seamless, continuous flow of visual information, the reality is far more nuanced. Behind the curtain of perception, the speed at which we process visual cues ...

The rate of change in flicker sensitivity was found to be a useful predictor in determining which eyes progress from early age-related macular degeneration to geographic atrophy, according to a study.

Nowadays I see monitors go up to 200Hz. Is this the limit of what a human eye can detect? or is it still possible to see flicker?<BR><BR>I stare at this monitor at work for 8 hours a day at 85Hz and ...

Your body may be still, but as you dream, your eyes can flicker manically. The rapid eye movement stage of sleep is when we have our most vivid dreams – but do our flickering eyes actually “see” ...

Some experts will tell you that the human eye can see between 30 and 60 frames per second. Some maintain that the human eye may be able to see much more than that although more research is needed.