視力(しりょく)

しりょく
noun
eyesight, vision
1. eyesight, vision, visual acuity
The ability to see; the clearness or sharpness of vision.
視力(しりょく)が落(お)ちたので眼鏡(めがね)を作(つく)った。
My eyesight got worse, so I got glasses.
視力(しりょく)検査(けんさ)の結果(けっか)は両眼(りょうがん)とも1.0だった。
The vision test results were 1.0 for both eyes.
暗(くら)い所(ところ)で本(ほん)を読(よ)むと視力(しりょく)が悪(わる)くなる。
Reading in dark places makes your eyesight worse.
コンタクトレンズで視力(しりょく)を矯正(きょうせい)している人(ひと)は多(おお)い。
Many people correct their eyesight with contact lenses.
子(こ)どもの頃(ころ)はよく見(み)えていたのに、大人(おとな)になってパソコンを使(つか)うようになってから視力(しりょく)がだいぶ落(お)ちた。
I could see well as a child, but my eyesight has declined considerably since I started using computers as an adult.

視力(しりょく) refers to eyesight or visual acuity. 視(し) means 'seeing' and 力(りょく) means 'power.'

Common expressions

Vision measurement (JAPAN)

  • In Japan, vision is measured on a decimal scale
  • 1.0 = normal vision (20/20 in US)
  • 0.1 = very poor vision
  • 裸眼(らがん)視力(しりょく): uncorrected vision
  • 矯正(きょうせい)視力(しりょく): corrected vision

Related words

Related Words

Related: 近視(きんし) (nearsightedness)
Related: 遠視(えんし) (farsightedness)
Related: 乱視(らんし) (astigmatism)
Related: 視野(しや) (field of vision)
Related: 目薬(めぐすり) (eye drops)
Related: 度数(どすう) (frequency)
core
Added 2026.1.14 19:37 · Revised 2026.9.2 12:02
05000/05033_shiryoku