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Haidinger brushes

Pronunciation: hī′ding-ĕr

Definition: the perception of two dark yellowish brushes or sheaves radiating about 5 degrees from the point of fixation when an evenly illuminated surface, such as the blue sky, is viewed through a polarizing lens.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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