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Convergence vs Vergence - What's the difference?

convergence | vergence |

In physiology terms the difference between convergence and vergence

is that convergence is the coordinated focusing of the eyes, especially at short range while vergence is the simultaneous turning of both eyes when focusing.

As nouns the difference between convergence and vergence

is that convergence is the act of moving toward union or uniformity while vergence is a measure of convergence or divergence of rays.

convergence

English

Noun

(wikipedia convergence)
  • The act of moving toward union or uniformity.
  • The convergence or divergence of the rays falling on the pupil. — Berkeley.
  • A meeting place.
  • We built a homestead at the convergence of two rivers
  • The intersection of three electron beams for red, green and blue onto a single pixel in a CRT.
  • (mathematics) The process of approaching some limiting value.
  • (physiology) The coordinated focusing of the eyes, especially at short range.
  • (biology) The evolution of similar structures or traits in unrelated species in similar environments; convergent evolution.
  • The merging of distinct technologies, industries, or devices into a unified whole.
  • Synonyms

    * convergency

    Antonyms

    * divergence, divergency

    vergence

    English

    Noun

    (wikipedia vergence) (en noun)
  • (physics) A measure of convergence or divergence of rays
  • (physiology) The simultaneous turning of both eyes when focusing