Alternative spelling of diopter. [A unit of measure of the power of a lens or mirror, equal to the reciprocal of its focal length in meters. Myopia is diagnosed and measured in diopters.]
Used in a Sentence
dioptres
Definition, parts of speech, synonyms, and sentence examples for dioptres.
Editorial note
With dioptres, the definition is very clear and based on optical properties of the eye.
Examples12
Definitions1
Parts of speech1
Quick take
Alternative spelling of diopter. [A unit of measure of the power of a lens or mirror, equal to the reciprocal of its focal length in meters. Myopia is diagnosed and measured in diopters.]
Meaning at a glance
The clearest senses and uses of dioptres gathered in one view.
Definitions
Core meanings and parts of speech for dioptres.
noun
Alternative spelling of diopter. [A unit of measure of the power of a lens or mirror, equal to the reciprocal of its focal length in meters. Myopia is diagnosed and measured in diopters.]
Example sentences
With dioptres, the definition is very clear and based on optical properties of the eye.
Beyond the age of 20-25 people go decades without having to change their glasses due to changed dioptres.
The refractive index of the eye varies according to light frequency such that blue is focused approximately 2 dioptres more than red.
Even then, after measuring your absolute dioptres, a human asks you to try a few combinations to find the most comfortable variant.
My current prescriptions round to the nearest 0.25 (glasses) / 0.5 (contacts) dioptres.
I have even more dioptres than you, around 5 for each eye and a nasty cylinder (astigmatism).
Depending upon which field of range you're talking about (and which eye) I require correction somewhere between +3 and -6 dioptres.
I have 3.2 dioptres and have no problem at all with the hasselblad manual focus.
The unit of measure, prism dioptres, is conveniently defined as 100 times the apparent distance that an object at a certain distance is displaced by.
It's like several additional dioptres added to your vision.
My eyes are not strong: I wear spectacles of about -6.5 dioptres.
I have around -10 dioptres in both eyes, like my father.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use dioptres in a sentence?
With dioptres, the definition is very clear and based on optical properties of the eye.
What does dioptres mean?
Alternative spelling of diopter. [A unit of measure of the power of a lens or mirror, equal to the reciprocal of its focal length in meters. Myopia is diagnosed and measured in diopters.]
What part of speech is dioptres?
dioptres is commonly used as noun.