SCAN0032

SCAN0032




Vergence

•    Vergence is the measure of convergence or divergence of a pair of rays.

•    Vergence is given in units of diopters (D) which is inverse distance in meters.

•    Vergence is given by the refractiye index divided by the distance from a piane of reference to the point where the rays intersect.

•    Converging rays have positive vergence and diverging rays have negative vergence.

•    Piane waves have zero vergence.


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