Researchers were able to more accurately identify progression or non-progression of glaucomatous optic discs using a computer program instead of manually examining stereoscopic disc photographs, ...

Q We found this device while cleaning out our mother’s home of 60-plus years. I remember seeing it as a child, and being told it was a machine for exercising the eyes. The underside is marked ...

This Visionneuse (viewer) was discovered by Madame Nicole Canet and included in her 2009 exhibition Maison Closes (Brothels) at the Galerie Au Bonheur du Jour, Paris. The tabletop stereo viewer ...

English inventor Charles John Roswell patented the first graphoscope in 1864. The graphoscope, a device to enhance viewings of photographs and other still images, consists of a round magnifying glass ...

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3D has long been subject to myths and conjecture. There has been relatively little hard science studying viewer reaction to 3D images, and almost none specifically on 3D TV. This past summer, Disney ...

My wood stereo viewer once belonged to my great-grandmother. It’s in great shape and came with more than 70 cards, some dated as early as 1892. The cards are also in good condition. What’s the value? ...