stereoscopic vision

Two-eyed depth sensing

Stereoscopic vision is the ability to perceive depth by combining slightly different images from each eye.

The brain fuses these two perspectives into a single three-dimensional picture, allowing judgment of distance and spatial relationships.

This is why closing one eye makes it harder to catch a ball or thread a needle.

Stereoscopic technology mimics this effect by presenting offset images to each eye: The 3D movie required stereoscopic glasses.

Related

Wheatstone · magic eye · spatial awareness · crossing eyes · holography · accommodation · convergence · perspective · field of view · retina · optic nerve · fovea · eye dominance · occlusion · diplopia · stereopsis · augmented reality · stereopsis

Opposites
depth perception mechanism

stereoscopic visionamblyopia

Reduced vision, one eye

lazy eye

Family

stereo, stereoscope, stereoscopy, stereoscopic, stereograph, stereographic, scope, scopic, scopes

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