The word "optomyometer" is used to describe an instrument that measures the amount of deviation in the eyes' line of sight. It is pronounced /ɒptəˌmaɪˈɒmitər/ and is spelled using a combination of Greek and Latin roots. The prefix "opto-" comes from the Greek word for "sight," while "-myo" and "-meter" are derived from the Latin words for "muscle" and "measurement," respectively. These roots combine to create a unique and specialized term that accurately describes the instrument's function.
An optomyometer, also known as an optomyograph, is a specialized device used in ophthalmology to measure the strength or power of the eye muscles. It is primarily used to evaluate and diagnose various eye conditions related to muscle imbalances and weakness.
The optomyometer consists of a series of metallic or plastic rings that are attached to thin, retractable wires. These rings are designed to be placed around the patient's eye, with one ring attached to the upper eyelid and another to the lower eyelid. The wires are connected to a calibrated gauge or display unit, which provides a measurement of the force exerted by the eye muscles when moving the eyelids in different directions.
By measuring the muscle strength or weakness, the optomyometer helps eye care professionals assess conditions such as strabismus (crossed eyes), diplopia (double vision), and nystagmus (involuntary eye movements). It allows for objective evaluation of how well the eye muscles are coordinating, aiding in the determination of the appropriate treatment plan.
Optomyometry is a non-invasive procedure that provides valuable information for both diagnosis and monitoring of eye muscle conditions. The data obtained from the optomyometer helps ophthalmologists and optometrists make accurate diagnoses and develop effective treatment plans to restore or improve the patient's visual function and overall eye health.
An instrument for determining the relative power of the extrinsic muscles of the eye; ophthalmotropometer.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.