えんきんりょうよう
noun, no-adjective
bifocal; progressive (lenses); for both near and far vision
health
1. bifocal; progressive; for both near and far vision
Describing eyeglasses or lenses designed for both near and distant vision. Literally "combined use of far and near."
遠近両用(えんきんりょうよう)メガネ。
Bifocal glasses.
(ちち)遠近両用(えんきんりょうよう)レンズ使(つか)っている
My father uses progressive lenses.
(とし)とって、遠近両用(えんきんりょうよう)眼鏡(めがね)必要(ひつよう)になった。
As I got older, I came to need bifocal glasses.

Formed from 遠近(えんきん) (far and near) + 両用(りょうよう) (dual use). Almost always used attributively with before 眼鏡(めがね) (glasses), レンズ (lens), or コンタクト (contacts).

Common collocations

  • 遠近両用(えんきんりょうよう)眼鏡(めがね): bifocal/progressive glasses
  • 遠近両用(えんきんりょうよう)レンズ: progressive lens

Usage

Modern 遠近両用(えんきんりょうよう) lenses are usually "progressive" (a gradual change in strength) rather than the old split-line bifocal, but the same word covers both.