DIOPTROMETRY Meaning and
Definition
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Dioptrometry is a scientific method and measurement technique used to determine the refractive power and properties of optical systems, particularly lenses. It involves the measurement of the focal length of lenses and the determination of their refractive characteristics and aberrations.
In dioptrometry, a precisely calibrated apparatus known as a dioptrometer is used to measure the refractive power of lenses. The technique employs the principles of geometric optics and relies on the use of a target object or distant source of light, which is magnified or brought into focus by the lens being measured. By precisely positioning the object and observing its image through a telescope or eyepiece, the focal length and optical quality of the lens can be determined.
Dioptrometry is commonly employed in the field of optometry for the accurate prescription of corrective lenses. By measuring the refractive power of the patient's eyes using a dioptrometer, optometrists can decide the appropriate lens strength needed to correct various vision impairments, such as myopia (nearsightedness) or hyperopia (farsightedness).
Additionally, dioptrometry is vital in the manufacturing and quality control of optical lenses and instruments, ensuring accurate lens prescriptions and minimizing optical aberrations. It plays a significant role in various scientific and engineering disciplines where precise knowledge of optical properties is crucial, such as astronomy, microscopy, and photolithography.
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Measurement of the degree of accommodation and refractive power of the eye.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for DIOPTROMETRY
- dioprometry
- sioptrometry
- xioptrometry
- cioptrometry
- fioptrometry
- rioptrometry
- eioptrometry
- duoptrometry
- djoptrometry
- dkoptrometry
- dooptrometry
- d9optrometry
- d8optrometry
- diiptrometry
- dikptrometry
- dilptrometry
- dipptrometry
- di0ptrometry
- di9ptrometry
- diootrometry
Etymology of DIOPTROMETRY
The word "dioptrometry" is a noun that combines two Greek roots – "dioptro" (διόπτρο), derived from "dioptron" meaning "refraction" or "optical instrument", and the suffix "-metry" (-μετρία) meaning "the process of measuring" or "measurement".
"Dioptro" originates from the Greek verb "diopsesthai" (διοπσεσθαι), which means "to see through" or "to look far away", and is derived from two components: "dia-" (δια) meaning "through" and "opsis" (ὄψις) meaning "sight" or "view".
Combining both these elements, "dioptrometry" can be understood as the measurement or process of examining the refraction or optics of an object.
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