遠眼鏡
also: えんがんきょう
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Meanings
1
spectacles for far-sightedness
obsolete term
Obsolete term for glasses used to correct far-sightedness; modern Japanese uses 遠視用眼鏡 or simply 眼鏡.
In Edo-period documents, there are examples where 遠眼鏡 is recorded as spectacles for far-sightedness.
2
Historical term for telescope; now almost entirely replaced by 望遠鏡. Still encountered in older texts.
In the early Meiji period, 遠眼鏡 was used for astronomical observation.