Understanding 近視 (きんし)
The word 近視 refers specifically to nearsightedness, a common vision condition where distant objects appear blurry while close objects are seen clearly. It is a medical term often used in everyday conversation when discussing eyesight or eye health.
Usage and Context
近視 is typically used in medical or casual contexts when talking about vision problems. It often appears with words like 眼鏡 (glasses) or 予防 (prevention). For example, you might hear "近視で眼鏡をかけている" to describe someone who wears glasses due to nearsightedness.
Common Collocations
- 近視になる: to become nearsighted
- 近視を防ぐ: to prevent nearsightedness
- 近視の度が強い: having strong nearsightedness
These collocations help express the condition's development, prevention, and severity.
Register and Politeness
The term 近視 is neutral and appropriate in both formal and informal settings. It is a straightforward medical term without any slang or casual variants.
Learner Tips
A common confusion is mixing 近視 (nearsightedness) with 遠視 (えんし, farsightedness). Remember, 近視 means you see near objects clearly but struggle with far ones. Using the correct term helps avoid misunderstandings, especially in medical or optician contexts.