mire (redirected from miring)

mire (mēr) [Fr.] one of the figures on the arm of an ophthalmometer whose images are reflected on the cornea; measurement of their variations determines the amount of corneal astigmatism.

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mire (mîr)

n.

Any of the test objects on the arm of a keratometer whose image, as reflected on the curved surface of the cornea, is used in calculating the amount of astigmatism.

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mire [mēr] (Fr.)

a figure on the arm of an ophthalmometer, the image of which is reflected on the cornea; used to measure corneal astigmatism.

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mire

A pattern used in an optical instrument to guide the observer. Examples: the luminous pattern seen in a keratometer; the two half-circles seen in an applanation tonometer.