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junegoesaround5689 t1_jde2f78 wrote

Reply to comment by PoetryandScience in How do the two eyes see in registration with one another? by ch1214ch

Hmmmm, never heard of or tried this before.

Didn’t work for me.

If I put my thumb up in front of the object and try to focus both eyes on the object, I see two thumbs, if I focus on my thumb there are two objects about equidistant on each side of my thumb. My thumb moves when I close either eye, although slightly less with the right eye.

I am partially ambidextrose - slight right hand dominance but use both hands for similar tasks and can easily "train" the left hand to be about as effective as the right on anything, like writing, where I’ve developed a more pronounced right-handed preference.

Maybe it’s because I’m moderately near sighted? 😋

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Eternal_Revolution t1_jdeufyz wrote

another version is make a triangle with your fingers. With both eyes open, line up on a distant object.

Without moving, close one eye and then the other.

Your dominant eye will still have the object centered. Your subordinate eye will cause the "window" of your fingers to move.

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ffenliv t1_jdm8jgg wrote

I learned of this recently and have tried dozens of times in different locations. No matter which I eye close and which method I use, the thing I'm looking at appears to move. I always assumed this was true for everyone, not having heard of dominant eyes before a few weeks ago.

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