vergence - Dictionary definition and pronunciation - Yahoo! Education

Definition of vergence

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ver·gence  audio  (vūrjns) KEY 

NOUN:
  1. A measure of the convergence or divergence of a pair of light rays, defined as the reciprocal of the distance between a point of reference and the point at which the rays intersect.
  2. The inward or outward turning of one or both eyes that occurs when focusing on an object.



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