distometer
Collocations
2ADJ.
against, closed
DISTOMETER + NOUN
distance, laser
Definitions
noun
A device used to measure the distance between the apex of the cornea and the back surface of a spectacle lens.
This instrument looks like a small caliper. While your patient is wearing the trial frames, ask him to close his eyes. Gently place the flat end of the vertex distometer against his closed lid. Then open the caliper so the other end touches the back surface of the lens. Read the distance in mellimeters off the gauge.
A device used to measure distances during tunnel construction and other civil engineering projects.
Laser distometer (or laser distance meter) is an optical displacement sensor based on measuring the transit time of laser pulses between the sensor and the object to be measured.
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Example Bank
2This instrument looks like a small caliper. While your patient is wearing the trial frames, ask him to close his eyes. Gently place the flat end of the vertex distometer against his closed lid. Then o
WiktionaryLaser distometer (or laser distance meter) is an optical displacement sensor based on measuring the transit time of laser pulses between the sensor and the object to be measured.
Wiktionary