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Pronunciation: top'o-gom'e-ter

Definition: A movable fixation target attached to the front of a keratometer, used in fitting contact lenses to measure the curvatures of the cornea in its peripheral zones.

[topo- + G. gonia, angle, + metron, measure]

Further information

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