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#7
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| "Rev Jessie James" <Jessie[at]yahoo.com> wrote - quote - > > Handedness is hardwired
Yes, but neurons controlling the right side of the body connect to the left> Can you expand on this? Cross lateral motor skills is definately a trait > that can be learned. brain, no matter what. Neurons from the right eye split off at the optic chiasm and go to both sides of the brain. - quote - > Many left handed people at birth, become right handed
But your right hand is still connected entirely to your left brain.> through their school age years. I was one of them. -MT |
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#6
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| Rev Jessie James wrote: - quote - > > Handedness is hardwired
Try this. Have someone stand behind you and then give> Can you expand on this? Cross lateral motor skills is > definately a trait that can be learned. Many left handed > people at birth, become right handed through their school > age years. I was one of them. To this day, I can > write, throw, hit, golf, use a mouse, bowl, play tennis, > shoot pool, shoot baskets equaly well with either hand. > Many top atheletes are top atheletes because of their > ability to use both sides of the body equally. > Maria Sharapova is a prime example of a 'born lefty" that > has become a world class tennis player using her right > hand. you a gentle shove enough for you to have to take a step. I think it will be your right foot. -Quick |
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#5
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| - quote - > Handedness is hardwired
Can you expand on this? Cross lateral motor skills is definately a traitthat can be learned. Many left handed people at birth, become right handed through their school age years. I was one of them. To this day, I can write, throw, hit, golf, use a mouse, bowl, play tennis, shoot pool, shoot baskets equaly well with either hand. Many top atheletes are top atheletes because of their ability to use both sides of the body equally. Maria Sharapova is a prime example of a 'born lefty" that has become a world class tennis player using her right hand. |
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#4
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| my left eye is dormant even though its more myopic but thats probably because it corrects better with glasses and has less cylindar. You are lucky you are a low myope less than -3, must be easy being much less dependant on glasses than my moderate-high myopia of -4.5 ![]() |
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#3
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| <callimico66[at]yahoo.com> wrote Neurologically, the "dominant eye" and the "dominant hand" are very different. Handedness is hardwired and the wiring is crisscrossed and overlapped in the eyes so that if your left brain is dominant, the right field in BOTH eyes is your "dominant hemifield." The left field in each eye connects to the right brain. When language is left-dominant, as it usually is, those people perceive words better in their right field than in their left, perhaps one reason *most* languages read left-to-right. So the "dominant eye" is more of a learned preference and we tend to choose the "better" eye. As a result, eye dominance is more random than handedness, where a big majority are right-handed and only a few have uncertain dominance. By contrast, eye dominance categorizes more equally than handedness, and there's a larger group with uncertain results. -MT |
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#2
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| ChingoBelle via MedKB.com wrote: - quote - > I have -2.75 right eye and -2.25 left. If my left is dominant does that mean,
No. Dominance has nothing to do with refractive error or uncorrected> without glasses, that my vision is better than if the right is dominant? acuity. Dominance refers to the preferred eye is situations where one eye must be selected over the other. - quote - > I'm not sure which is the dominant one. If I line two things up it's the left,
There are about 15 different ways to measure dominance and not the same> but I read that people select the dominant eye for things like shooting or > viewing down a telescope, in which case mine must be the right. #When I take > a photo it's the right one I use. eye will always be selected. For example, you may prefer your right eye when aiming a gun but prefer your left eye when faced with a retinal rivalry choice. - quote - > Does the difference between my eyes have any impact on my binocular vision, I
For a small difference like yours, the difference will not affect> mean do the eyes still work properly together, if I don't wear glasses? binocular vision. However, the large amount of blur present when viewing distance objects without glasses will interfere with your ability to judge distances and you will lose much of your subjective awareness of stereopis. Dr Judy |
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#1
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| I discovered that my "dominant eye" is the opposite from my "brain dominant" side, AND, the dominance switches back and forth, depending on which hand I am using. For example, if I "sight" something using my right hand (I'm right-handed)-then my left eye is dominant. If I use my left hand, my right eye is dominant. Most of the time my left eye "rules," but for about 7 years, I have chosen to have my Rx undercorrect my left eye--this has worked out great. Previously, my left eye used to "take over," and my right eye struggle to go along--got eyeaches, headaches and and fatigue. My dominant eye, without glasses, "sees better," but I have more astigmatism in it. Undercorrecting my Rx in that side improves my binocular vision--but then, it was pretty good without that adjustment. My natural difference between eyes is about like yours--a -.50 D. C66 |
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| ChingoBelle via MedKB.com wrote: - quote - > I have -2.75 right eye and -2.25 left. If my left is dominant does that mean,
The dominant eye is not always the clearest eye.> without glasses, that my vision is better than if the right is dominant? I’m > not sure which is the dominant one. If I line two things up it’s the left, > but I read that people select the dominant eye for things like shooting or > viewing down a telescope, in which case mine must be the right. #When I take > a photo it's the right one I use. Make a pretend pistol by holding your two hands together with arms out straight in front of you. Line up the tip of the 'pistol' with a distant object, with both eyes open. The eye that is still lined up with the distant object when you close the other one is your dominant eye. Using a real object may introduce bias, e.g. if you're right handed you may prefer to hold a rifle or telescope on your right side. - quote - > Does the difference between my eyes have any impact on my binocular vision, I
Yep the binocular vision should be fine, although of course blurry> mean do the eyes still work properly together, if I don’t wear glasses? without glasses. Dom |
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#-1
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| I have -2.75 right eye and -2.25 left. If my left is dominant does that mean, without glasses, that my vision is better than if the right is dominant? I’m not sure which is the dominant one. If I line two things up it’s the left, but I read that people select the dominant eye for things like shooting or viewing down a telescope, in which case mine must be the right. #When I take a photo it's the right one I use. Does the difference between my eyes have any impact on my binocular vision, I mean do the eyes still work properly together, if I don’t wear glasses? -- Message posted via http://www.medkb.com |
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| dominant, eye |
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