3D
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3D is a quality of something where it has three dimensions of access. In display, it means something looks like it has a dimension of depth that goes along the axis pointing towards the user.
It stands for three dimensions or three dimensional.
The reason most people have eye strain after viewing 3D is because most 3D is flat-focus binocular stereoscopy. This can be solved by going to light-field photography.
There are different notions of 3D:
- 3D motion perspective, when a viewer moves his head the perspective changes
- 3D stationary depth due to binocular depth cues
- 3D stationary depth due to monocular depth cues
- 3D input using a controlling peripheral