simple eye

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simple eye

A small insect uses its simple eye to detect light.

Definition
  1. Noun:
    • A type of eye with a single lens: A "simple eye" is a visual organ found in some invertebrates that consists of only one lens. It contrasts with compound eyes, which have multiple lenses. This structure provides a basic form of vision, often detecting light, shadow, and movement rather than forming detailed images.
Usage Examples
  • Noun:
    • The spider uses its simple eyes to detect changes in light intensity.
    • Compared to the bee's compound eye, the simple eye of a caterpillar has a much narrower field of view.
Advanced Usage
  • In biological classification: The term is used to describe the ocelli in insects and other arthropods.
    • The dragonfly has three simple eyes, or ocelli, on the top of its head in addition to its two large compound eyes.
Variants and Related Words
  • Ocellus (noun): The scientific term for a simple eye, especially in insects and other invertebrates.
    • The ocelli are thought to help the insect maintain stability during flight.
Synonyms
  • Ocellus: A direct synonym used in scientific contexts.
  • Stemmata: A term sometimes used for the simple eyes of insect larvae.
Related Phrases
  • Single-lens eye: A descriptive phrase explaining the structure of a simple eye.
    • The evolution of the single-lens eye was a major development in visual systems.
simple eye

A small insect uses its simple eye to detect light.

Noun
  1. an eye having a single lens

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