We are almost constantly surrounded by a variety of visual objects, all of which could, theoretically, be important for us. But only a very small area on our retinas, the fovea in the macula lutea, has high visual acuity; a large portion of our field of vision has only a low resolution. Therefore, our gaze must be directed toward a specific target in order to precisely identify the object. Continue reading “What catches our eye”
Can’t get an image out of your head? Your eyes are helping to keep it there.
Even though you are not aware of it, your eyes play a role in searing an image into your brain, long after you have stopped looking at it. Continue reading “Can’t get an image out of your head? Your eyes are helping to keep it there.”
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