Doctor insights on:
Online Depth Perception Test
Probably little: Congratulations on the 20/20 vision - is this in both eyes separately? If only in one eye, that could be the reason for the lowered depth perception. Some are born without the part of the brain wiring that makes depth perception. Generally loss of depth perception is not fixable but generally also is not a problem for most life activities. ...Read more
Separate functions: 20/20 refers to the acuity of vision, hopefully at this level in both of your eyes. Depth perception (stereovision) refers to a brain function in which the input from both eyes together is summed producing an image in depth. Some lack this part of the brain wiring but can see well otherwise. This may be true for you. ...Read more
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
Stereo vision issues: Stereovision is the ability to see in depth using the two eyes together. If one eye sees poorly or the eyes do not work well together, your depth vision is likely to be impaired. If this is your problem, you will notice this especially if you look at a stereovision movie like avatar when the experience will not be so well for you. ...Read more
Depth = 3D vision : Depth perception, or 3-d vision, can easily be tested by an ophthalmologist in the office. Any problems in depth perception arise from either one of the two eyes not seeing well, or the eyes are not aligned properly. An ophthalmologist can tell you which of the following can cause this problem in your child and how to treat it. ...Read more
When a good friend of mine lays down either on his back, or sides his depth perception goes haywire, and if he is reading, he can see the words, but does not comprehend what he is reading. It is just a bunch of words.
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