How Do You Spell DIOPTOMETER?

1. A dioptometer is a specialized ophthalmic instrument used by eye care professionals to measure the refractive power or prescription of corrective lenses needed for the correction of vision. It is primarily employed during eye examinations or in optometry clinics to determine the degree of refractive error in a patient's eyes.

   The dioptometer typically consists of a telescopic system with calibrated lenses and prisms that allow the examiner to adjust the focus and determine the strength of corrective lenses required to achieve optimal visual acuity. By utilizing a dioptometer, optometrists or ophthalmologists can accurately diagnose various refractive abnormalities such as nearsightedness (myopia), farsightedness (hyperopia), and astigmatism.

   The measurements obtained from a dioptometer are expressed in diopters, which represent the reciprocal of the focal length in meters. Positive diopter values indicate farsightedness or hyperopia, while negative diopter values indicate nearsightedness or myopia.

   In addition to determining the appropriate prescription for eyeglasses and contact lenses, the dioptometer is also essential for assessing the effectiveness of corrective treatments such as LASIK surgery. By measuring the eye's refractive power, the dioptometer enables eye care professionals to evaluate the impact of refractive surgeries and determine if any additional corrective procedures are required to achieve optimal visual outcomes.

   In conclusion, a dioptometer is a crucial instrument within the field of optometry, enabling eye care professionals to accurately measure and prescribe corrective lenses to address various refractive errors of the human eye.

2. Dioptrometer.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

Common Misspellings for DIOPTOMETER

The word "dioptometer" is composed of two parts: "diopter" and "meter".

1. "Diopter" comes from the Greek word "dióptrēs", meaning "that which is seen through". It was originally used in optics to denote a unit of measurement for the refractive power of a lens. The term was first introduced in the mid-19th century by French physicist Augustin-Jean Fresnel.

2. "Meter" is derived from the Greek word "metron", which means "measure". It serves as a common suffix in scientific terms to indicate an instrument used for measuring something specific.

Therefore, the term "dioptometer" combines "diopter" and "meter" to form a word that refers to an instrument used to measure the refractive power or dioptric value of lenses.

Plural form of DIOPTOMETER is DIOPTOMETERS