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“Unaided vision” in Japanese

Short answer
裸眼視力 raganshiryoku raganshiryoku

Unaided vision in Japanese is “裸眼視力” (raganshiryoku). Full meaning: unaided vision, naked eye, naked eye acuity, uncorrected visual acuity.

Other ways to say “Unaided vision” in Japanese

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