Definition

Noun: * Three-dimensional perception: The ability to perceive depth and three-dimensional structure, resulting from the brain's fusion of the two slightly different two-dimensional images received from each eye.

Usage

This term is used in scientific, medical, and technical contexts to describe normal human binocular vision or the capability of certain optical systems. * Stereoscopic vision is crucial for tasks that require judging distances accurately, such as threading a needle or catching a ball. * The new virtual reality headset aims to replicate natural stereoscopic vision for a more immersive experience. * A lack of stereoscopic vision can be a symptom of certain eye conditions, like strabismus.

Advanced Usage

• "to achieve stereoscopic vision": To successfully create or possess the perception of depth through binocular fusion.
  • The predator's forward-facing eyes achieve stereoscopic vision, giving it an advantage in hunting.
• "loss of stereoscopic vision": The impairment or absence of depth perception.
  • The accident resulted in a temporary loss of stereoscopic vision.

Variants and Related Words

• Stereopsis (n): The technical term for the process underlying stereoscopic vision; the perception of depth produced by retinal disparity.
  • The test measures the patient's degree of stereopsis.
• Stereoscopic (adj): Relating to or characterized by stereoscopy or stereoscopic vision.
  • They viewed the landscape through a stereoscopic viewer.
• Binocular vision (n): The general ability to use both eyes together, which includes stereoscopic vision as a key component.
• Depth perception (n): The general ability to see the world in three dimensions and judge distances, for which stereoscopic vision is a primary mechanism.

Synonyms

• Three-dimensional sight
• Depth perception (in the context of binocular cues)

Related Concepts (Not Phrasal Verbs or Idioms)

• Retinal disparity: The slight difference between the two retinal images, which is the primary cue for stereoscopic vision.
• Fusion: The brain's process of combining the two separate images from the eyes into a single, three-dimensional percept.

Noun

1. three-dimensional vision produced by the fusion of two slightly different views of a scene on each retina