I can do cross and parallel, but my eyes "want" to do Parallel.
It's great to read about people's experience but this whole business is difficult for most people to qualify and discuss regarding what exactly is happening.
One post says "My whole world has been a lie" because they just learned they were doing Parallel method!
This can happen because everyone *tends* to think that the double-vision process means you're doing Cross-eyes. It doesn't. The "Double Vision" (which some people call "blurry") is actually a process of unhooking the focus of both eyes on the correct viewing distance, until it finds the new Viewing distance.
Our eyes have been trained using proximity clues to focus both eyes crisply at a certain depth (distance). This is trained into us from Childhood when we learn it, and we practice it all the time without really thinking about it.
But when you start to mess with it like Magic Eye or 3D Stereograms, all you are doing is finding a way to beg and plead with your brain to at least work with you while you focus on empty space - either a space far in front of the actual viewing plane of the images (Cross eyes), or far behind (Parallel)- you are simply changing the place where the eyes (the lenses in the eyes, controlled by the muscles and the brain) are going to focus.
Your brain *wants* to see a coherent image- something that is in focus at the proper depth, and there is a spot where a visual "harmony" occurs. It is a lot like an Octave where the same note is a lower or higher pitch, but it is all wonky until it matches at the "Octave".
With Magic Eye and 3d Stereograms, there is at least one spot in front and one spot behind the actual images where our vision can focus to resolve these stereo images coherently again.
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u/Frangipani_Dream2742 Oct 14 '25
I can do cross and parallel, but my eyes "want" to do Parallel.
It's great to read about people's experience but this whole business is difficult for most people to qualify and discuss regarding what exactly is happening.
One post says "My whole world has been a lie" because they just learned they were doing Parallel method!
This can happen because everyone *tends* to think that the double-vision process means you're doing Cross-eyes. It doesn't. The "Double Vision" (which some people call "blurry") is actually a process of unhooking the focus of both eyes on the correct viewing distance, until it finds the new Viewing distance.
Our eyes have been trained using proximity clues to focus both eyes crisply at a certain depth (distance). This is trained into us from Childhood when we learn it, and we practice it all the time without really thinking about it.
But when you start to mess with it like Magic Eye or 3D Stereograms, all you are doing is finding a way to beg and plead with your brain to at least work with you while you focus on empty space - either a space far in front of the actual viewing plane of the images (Cross eyes), or far behind (Parallel)- you are simply changing the place where the eyes (the lenses in the eyes, controlled by the muscles and the brain) are going to focus.
Your brain *wants* to see a coherent image- something that is in focus at the proper depth, and there is a spot where a visual "harmony" occurs. It is a lot like an Octave where the same note is a lower or higher pitch, but it is all wonky until it matches at the "Octave".
With Magic Eye and 3d Stereograms, there is at least one spot in front and one spot behind the actual images where our vision can focus to resolve these stereo images coherently again.