Definition

1. Noun:
   • Normal vision in daylight: The type of vision that functions under conditions of sufficient natural or artificial illumination, allowing the cone cells in the retina to be active. This enables the perception of fine detail and color (hue).

Usage

• Noun:
  • Daylight vision is essential for activities like reading and driving.
  • The study compared the subject's daylight vision to their night vision.

Advanced Usage

• "Photopic vision": This is the precise scientific term synonymous with daylight vision, describing vision under well-lit conditions where the eye's cone photoreceptors are primarily responsible for visual perception.
  • Photopic vision, or daylight vision, allows us to see colors vividly.

Variants and Related Words

• Photopic (adj): Pertaining to or characterized by daylight vision conditions.
  • The photopic response of the eye was measured.
• Scotopic vision (n): The opposite of daylight vision; vision under low-light conditions where rod cells are active, resulting in monochromatic (black-and-white) perception.
• Mesopic vision (n): Vision under intermediate light levels, such as at dusk or dawn, where both rod and cone cells are active.

Synonyms

• Photopic vision: The technical synonym.
• Day sight: A less common, descriptive synonym.

Antonyms

• Night vision: Vision in low light.
• Scotopic vision: The technical term for night vision.

Noun

1. normal vision in daylight; vision with sufficient illumination that the cones are active and hue is perceived