Stereo Binocular
A look at what is currently available on eBay
 BINOCULAR STEREO DISSECTING MICROSCOPE " 20X " US $87.95 
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 NEW 10x - 40x Binocular Stereo Microscope w Boom Light US $357.25
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 STEREO DISSECTING BINOCULAR MICROSCOPE 10X 20X 30X 60X US $153.98
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 NEW!! BINOCULAR STEREO MICROSCOPE 10X-20X-30X-60X US $153.93
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 10x-30x Binocular Stereo Microscope for Student Hobbies US $130.99
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 New Binocular Stereo Microscope 20x-40x-80x Dual Lights US $164.99
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 STEREO DISSECTING BINOCULAR MICROSCOPE 10X 20X 30X 60X US $139.98
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 Binocular Stereo Microscope Multi-power Body Only New US $174.99
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 NEW 20x - 40x Stereo Binocular Microscope w Lights US $137.44
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 BINOCULAR STEREO COIN MICROSCOPE 5X-10X-15X-30X US $157.96
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 5X-10X-15X-30X Binocular Stereo Microscope+1.3MP Camera US $347.66
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 5X-10X STEREO BINOCULAR COIN MICROSCOPE BOOM ARM +LIGHT US $208.98
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 10x-30x Binocular Stereo Microscope with Dual Lights US $141.99
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 10X-80X ZOOM MICROSCOPE BINOCULAR STEREO DUAL HALOGEN US $384.00
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 10X-30X BINOCULAR STEREO MICROSCOPE w/ 2 HALOGEN LIGHTS US $131.00
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Is it possible to have binocular vision and not have depth perception?
I was making some autostereograms, and my friend was getting frustrated because he couldn't see the 3D images in them. We spent a while trying to get his eyes to unfocus so he could merge the different points together and focus to form the image. When we finally got his eyes to do that, he noted that he didn't see a 3D image. I pulled up some stereo pairs(two images taken from slightly different angles which, when merged together, give the illusion of depth). He told me he always hated those because he couldn't see the difference between the 3D image and the originals. He says that if he closes one eye, it looks the same as having both eyes open(no depth). He says the only reason he knows how far away I am from him is because he knows how big I am. Both of his eyes work individually, and when he looks through both eyes at once, he only sees one image, but is it possible that his brain doesn't interpret the images together to perceive depth? Feel free to answer as deeply as possible.
He seems to have a visual cortex problem. Has he ever seen an ophthalmologist?
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