central vision

Thân thiện

A person uses their central vision to read a book.

Definition

Noun: * Central vision: The sharp, high-resolution vision used for seeing fine detail and color, primarily involving the fovea and parafovea regions of the retina. It corresponds to the middle part of the visual field, which is used for tasks like reading, recognizing faces, and driving.

Usage

Central vision is a technical term used in medicine, optometry, and biology to describe a specific function of the eye. * It is typically used in contrast to peripheral vision. * It is often discussed in contexts of eye health, vision tests, and neurological conditions.

Examples

• Noun:
  • The eye chart tests your central vision.
  • Macular degeneration primarily affects central vision, making reading difficult.
  • When you focus on a word, you are using your central vision.

Advanced Usage

• Loss of central vision: A condition where the sharp, detailed sight in the center of the visual field deteriorates or is lost.
  • The disease caused a progressive loss of central vision.

Variants and Related Words

• Foveal vision: A more specific term referring to vision using only the very center of the fovea, providing the highest visual acuity.
• Peripheral vision: The vision at the edges of the visual field, which is less detailed but sensitive to motion and light.

Synonyms

• Foveal vision (more specific)
• Direct vision

Antonyms

• Peripheral vision

Related Phrases

• Central visual field: The area in space that is seen by central vision.
  • A scotoma in the central visual field can create a blind spot.

Học thuật

Noun

1. vision using the fovea and parafovea; the middle part of the visual field