diopter (Meaning)
Wordnet
diopter (n)
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
Webster
diopter (n.)
Alt. of Dioptra
Synonyms & Antonyms of diopter
No Synonyms and anytonyms found
diopter Sentence Examples
- The optometrist measured my eye's refractive power in diopters.
- A 1 diopter lens has a focal length of 1 meter.
- Diopters can be positive or negative, depending on the direction of the lens's refractive power.
- A stronger lens has a higher diopter value.
- The diopter value of a lens is equal to the reciprocal of its focal length in meters.
- A 2 diopter lens has a focal length of 0.5 meters.
- Myopia, also known as nearsightedness, is corrected with negative diopter lenses.
- Hyperopia, also known as farsightedness, is corrected with positive diopter lenses.
- Astigmatism is corrected with cylindrical lenses that have different diopter values in different directions.
- Presbyopia, a condition that makes it difficult to focus on nearby objects, is corrected with multifocal lenses that have different diopter values in different zones of the lens.
FAQs About the word diopter
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 oculistsAlt. of Dioptra
No synonyms found.
No antonyms found.
The optometrist measured my eye's refractive power in diopters.
A 1 diopter lens has a focal length of 1 meter.
Diopters can be positive or negative, depending on the direction of the lens's refractive power.
A stronger lens has a higher diopter value.
