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Doctor insights on: How Does 3d Vision Work With One Eye Compared To Two Eyes

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How does 3d vision work with one eye compared to two eyes?

How does 3d vision work with one eye compared to two eyes?

Depends on both eyes: 3d vision depends on both eyes. The brain takes the inputs from both eyes and uses the different perspectives to create the 3d image with depth perception. If you go to a 3d movie you can get an idea of how this works. If you take your glasses off you can see that there are two images projected onto the screen that combine to create the illusion of depth. ...Read more

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Dr. Richard Bensinger
1,666 doctors shared insights

Vision (Definition)

Vision is a feature of a person's brain that allows him to see. He must have normal eyes, optic nerves (that stretch from the eyes to the back of his brain), and visual cortex (the vision center in the brain), in order to see properly. An ophthalmologist is a ...Read more


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At 3d shows, I notice the 3d effects maybe 2-3% of the time. The rest of the time, the picture looks the same with one or both eyes open. All the tests I've tried suggest stereoscopic vision/depth perception is fine ... so why can't I see 3d?

At 3d shows, I notice the 3d effects maybe 2-3% of the time. The rest of the time, the picture looks the same with one or both eyes open. All the tests I've tried suggest stereoscopic vision/depth perception is fine ... so why can't I see 3d?

Apparently about 10%: of people can not see in 3D. Because humans have both eyes in front, the possibility of having them work together to create depth perception exists. The fusion in our brains of two slightly different pictures from each of our "cameras"/eyes gives the sense of three-dimensionality. Lazy eye and strabismus are conditions that interfere with eye coordination. It can be corrected, esp in children. ...Read more

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What eye diseases affect your 3d vision?

What eye diseases affect your 3d vision?

Several: If you have no vision or poor vision in one eye, then your true 3 d vision will be impaired. If one eye is crossed looking out or in, then 3 d vision is likely to be impaired. Your ophthalmologist can tell you what is the cause for you and measure your true degree of stereoscopic vision. ...Read more

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If you only have one good eye, can you see a 3d movie in 3d with those glasses?

If you only have one good eye, can you see a 3d movie in 3d with those glasses?

No: 3-d vision is only possible with 2 eyes. The effect is caused by having each eye look at an image that is at a slightly different phase than the other eye's image. If you have only one seeing eye, you would see a clear image out of that eye with glasses, but not in 3-d (in much the same way that you cannot see 3-d normally with only 1 eye). ...Read more

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Is is possible for a person who is blind in one eye to see 3d movies?

Is is possible for a person who is blind in one eye to see 3d movies?

Limited experience: Because such a person cannot appreciate true depth, the experience will be limited for such a person. They can experience the movie, but not to its full extent. ...Read more

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Does having astigmatism in one eye prevent one from seeing in 3d?

Does having astigmatism in one eye prevent one from seeing in 3d?

No: As long as your eyes have good corrected vision with glasses or contacts, and they are aligned normally, then you should have depth perception ( 3d). Now how much depth perception you have depends on how good your visual system works. ...Read more

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I have IIH, When reading on my phone, if I close one or the other eye it looks like some of the words are jumping off the screen like 3D. Why is that?

I have IIH, When reading on my phone, if I close one or the other eye it looks like some of the words are jumping off the screen like 3D. Why is that?

Diplopia: in the setting of IIH may be due to 6th n compression from raised ICP. Consider switching mood stabilizers. (Lithium can promote BIHTN, See if you can get on a carbonic anhydrase inhibitor like Zonegran or Diamox. Topamax (topiramate) can cause neural tube defects if you get pregnant. See your doctor / neurologist / ophthalmologist. ...Read more

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