a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters; used by oculists
Used in a Sentence
dioptre
How to use dioptre in a sentence. Example sentences and definitions for dioptre.
Editorial note
Beyond the age of 20-25 people go decades without having to change their glasses due to changed dioptres.
Examples7
Definitions1
Parts of speech1
Quick take
a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters; used by oculists
Meaning at a glance
The clearest senses and uses of dioptre gathered in one view.
Definitions
Core meanings and parts of speech for dioptre.
noun
a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters; used by oculists
See also: diopter
Example sentences
Beyond the age of 20-25 people go decades without having to change their glasses due to changed dioptres.
Depth perception still works fine at relatively high dioptre numbers, so you can usually avoid walking into stuff.
Also, it would probably be possible to use lenses in the glasses with a certain dioptre strength applied, so that people could use those instead of their regular glasses.
The refractive index of the eye varies according to light frequency such that blue is focused approximately 2 dioptres more than red.
That seems problematic, how is normal vision defined?With dioptres, the definition is very clear and based on optical properties of the eye.
The spherical correction was weakened by half a dioptre, leaving the cylindrical correction unchanged.
Even then, after measuring your absolute dioptres, a human asks you to try a few combinations to find the most comfortable variant.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use dioptre in a sentence?
Beyond the age of 20-25 people go decades without having to change their glasses due to changed dioptres.
What does dioptre mean?
a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters; used by oculists
What part of speech is dioptre?
dioptre is commonly used as noun.