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Try Your Eyes
"SaberScorpX" wrote in message
... Got Clouds? Have some fun: http://www.nidek.com/illusion.html Yep. Got clouds. I like the scintillation effect. That's wicked awesome. -Stephen |
#3
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Got Clouds? Have some fun:
http://www.nidek.com/illusion.html Eye dominant parallax can be over come. If you centre the object between the two fingers you see when both eyes are focused on the object, no such domination occurs. Without trying to overcome the parallax, my dominate eye depended on which arm I used to point. Left arm, left eye. Right arm, right eye. |
#4
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RichA wrote:
On 08 Dec 2004 03:44:26 GMT, (SaberScorpX) wrote: Got Clouds? Have some fun: http://www.nidek.com/illusion.html Eye dominant parallax can be over come. If you centre the object between the two fingers you see when both eyes are focused on the object, no such domination occurs. -Rich I was about to say the same. This test is nonsense (the others are fine, I'm talking just about the dominant eye test). When I try it at I see two finger images. And then I have to decide how I want them - which one I want to point to the remote object. This is a conscious decision - if I want the left one, the right one, or I want to center the remote object between the two. - Alex Discover Your Dominant Eye 1. Select an object that is a few feet away from you. 2. Stare at the object and then point to the object using your index finger. 3. When your eyes are focused on the object and not on your finger, you will see two blurry fingers in your line of sight. 4. Now, close one eye and then close the other eye. You will notice that with one of your eyes closed, your index finger will point exactly at the object, however, when the other eye is closed, your finger will point at an area slightly shifted to the side of the object. The eye with which you see your index finger pointing exactly at the object is your "Dominant Eye." |
#5
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Alexander Avtanski wrote:
Eye dominant parallax can be over come. If you centre the object between the two fingers you see when both eyes are focused on the object, no such domination occurs. -Rich I was about to say the same. This test is nonsense (the others are fine, I'm talking just about the dominant eye test). It's not quite nonsense for me. It correctly identifies my dominant left eye (although I've known about this kind of test for a long time). My left eye is very dominant--I have a good deal of trouble observing with my right eye, when I try doing that--and it may be that the test is indecisive unless one eye is that dominant. Brian Tung The Astronomy Corner at http://astro.isi.edu/ Unofficial C5+ Home Page at http://astro.isi.edu/c5plus/ The PleiadAtlas Home Page at http://astro.isi.edu/pleiadatlas/ My Own Personal FAQ (SAA) at http://astro.isi.edu/reference/faq.txt |
#6
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Alexander Avtanski wrote:
snipped some stuff about dominant eye test When I try it at I see two finger images. And then I have to decide how I want them - which one I want to point to the remote object. This is a conscious decision - if I want the left one, the right one, or I want to center the remote object between the two. When I was treated last summer for an eye problem, I gave exactly your description to my doctor. He told me hardly anybody can do that, and it's considered unusual. He said most people have a distinctly dominant eye, and can't switch dominance to the other one. I always thought everybody could do it. -- Glenn Holliday |
#7
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Glenn Holliday wrote:
Alexander Avtanski wrote: snipped some stuff about dominant eye test When I try it at I see two finger images. And then I have to decide how I want them - which one I want to point to the remote object. This is a conscious decision - if I want the left one, the right one, or I want to center the remote object between the two. When I was treated last summer for an eye problem, I gave exactly your description to my doctor. He told me hardly anybody can do that, and it's considered unusual. He said most people have a distinctly dominant eye, and can't switch dominance to the other one. I always thought everybody could do it. Strange... I also assumed that everybody can do this. I recently discovered another thing, that surprised me: not everybody can defocus his/her eyes voluntarily (and I mean "defocus", not cross). - Alex P.S. Speaking of interesting things one can do with his eyes, one the most useful tricks when comparing two images, or printed text pages is to cross your eyes and to adjust the images so they fit exactly one over another. All the differences appear as blinking. As I am a programmer, this helps me a lot - where some people would use "diff" I just open two windows and point: "Here is a difference, and there is another one." I might look funny while "diffing" though, :-) |
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