Three-dimensional (3D) displays cause extra eye fatigue, according to a recent Journal of Vision study. Perhaps no surprise to some, test subjects reported more eye strain and fatigue and less vision clarity after watching 3D as opposed to 2D video.
Researchers at the University of Califonia-Berkeley showed study participants 3D and 2D video at various viewing distances. The difference between the screen depth and the depth of the 3D image caused eye strain, as did the relationship between the image depth and how close the participant was to the screen. The study was, in part, funded by Samsung, which manufactures 3D televisions.
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