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The optometrist explained that a change of one diopter can significantly affect how clearly you see at a distance.
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The optometrist explained that a change of one diopter can significantly affect how clearly you see at a distance.
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Related words
diopter
Noun
dated
obsolete
Japanese Meaning
レンズや鏡の屈折力を測る単位。焦点距離（メートル単位）の逆数として定義され、近視の診断や測定等に用いられる。
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