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GMDN Terms

Hand dynamometer/pinchmeter, mechanical

23 GUDID devices

A non-powered, mechanical instrument designed to assess neuromuscular function by measuring the force or power exerted by the muscles of the hand/forearm to squeeze/pinch an object. It is used to assess a patient's grip and/or pinch strength in clinical or ...

Phoropter, electric

21 GUDID devices

An electrically-powered ophthalmic device intended to be placed in front of a patient's eyes to assist with measuring the refractive error of the eye (the inaccuracies of focusing light upon the retina) during an examination, typically to determine a patien...

Phoropter

12 GUDID devices

An ophthalmic device intended to be placed in front of a patient's eyes to measure the refractive error of the eye (the inaccuracies of focusing light upon the retina) during an ophthalmic examination, typically to determine a patient's prescription for gla...

Phoropter, manual

10 GUDID devices

A manually-operated ophthalmic device intended to be placed in front of a patient's eyes to assist with measuring the refractive error of the eye (the inaccuracies of focusing light upon the retina) during an examination, typically to determine a patient's ...

Phoropter

9 GUDID devices

A mechanical ophthalmic device that is used during an ophthalmic examination; typically to determine a patient's prescription for glasses. It consists of two large, disk-like housings, joined together, that each contain a built-in paternoster works consisti...