Lexical entry
ジオプトリー
jioputorii
A unit of lens power.
Science & MedicinePure GairaigoSource UncertainSource: German
Meaning
An optical unit used to measure the refractive power of a lens, equal to the reciprocal of the focal length in meters.
- optical unit for lens refraction
Examples
Example Sentences
眼科で視力を測定し、必要なジオプトリーを確認した。
I had my vision measured at the ophthalmologist and confirmed the required diopters.
generated example
このレンズの屈折力は、プラス二ジオプトリーです。
The refractive power of this lens is plus two diopters.
generated example
遠視を矯正するために、高いジオプトリーの眼鏡が必要だ。
To correct farsightedness, glasses with high diopters are needed.
generated example
Related
Evidence and Provenance
- Data source
- JMdict_english
- Revision
- JMdict.2026-04-17
- Review flags
- related-candidate-uncertain
- Active language
- English