bifocals
bifocals — 名詞
1. a pair of spectacles whose lenses combine two different strengths — the upper se
雙光眼鏡
鏡片分遠近兩部分的眼鏡
a pair of spectacles whose lenses combine two different strengths — the upper section helps you see distant objects clearly, and the lower section helps you read or see things up close.
Ayana got her first pair of bifocals last year and can now drive and read without switching glasses.
Ayana 去年配了第一副雙光眼鏡，現在開車和閱讀都不需要換眼鏡了。
pair of bifocals
The optician adjusted Takeshi's bifocals so the line between the two lenses sat at eye level.
驗光師調整了 Takeshi 的雙光眼鏡，讓兩片鏡片之間的界線剛好在眼睛水平位置。
adjusted bifocals
Marta wears bifocals at work to see her screen and read documents without switching glasses.
Marta 在辦公室戴雙光眼鏡，看螢幕和閱讀文件都不需要換眼鏡。
After turning fifty, Theo's eye doctor recommended bifocals to help with both distance and close-up reading.
Theo 過了五十歲以後，眼科醫生建議他配雙光眼鏡，同時矯正遠距離和近距離視力。
- progressive lenses
a modern type of bifocal without the visible dividing line across the lens
- reading glasses
correct only near vision; not the same as bifocals which also correct distance vision
- single-vision glasses
lenses with just one strength for the whole lens
用法筆記
Bifocals is a plural noun and takes a plural verb (e.g., 'These bifocals are comfortable'). To refer to one item, use 'a pair of bifocals.'
常見錯誤
bifocals — 形容詞
- bifocalspositive
- more bifocalscomparative
- most bifocalssuperlative
1. describes a lens or a pair of glasses that contains two optical strengths — one
雙焦點的
有遠近兩種焦距的
describes a lens or a pair of glasses that contains two optical strengths — one for seeing objects at a distance and another for close-up tasks such as reading.
Rodrigo ordered bifocal contact lenses that correct his vision for both the cinema screen and the book in his hands.
Rodrigo 訂購了雙焦點隱形眼鏡，無論是看電影螢幕還是看手中的書都能矯正視力。
bifocal contact lenses
Sade's bifocal glasses let her read the dashboard while driving to work.
Sade 的雙焦點眼鏡讓她可以在開車上班時查看儀表板。
bifocal glasses + named referent showing dual use
Reema chose progressive lenses over traditional bifocal ones because they do not have a visible line across the surface.
Reema 選擇了漸進式鏡片而不是傳統的雙焦點鏡片，因為漸進式鏡片表面沒有明顯的界線。
Sirin bought bifocal sunglasses for long days of hiking in the mountains.
Sirin 買了雙焦點太陽眼鏡，以備在山上長途健行時使用。
- dual-focus
a less common synonym that carries the same meaning
- multifocal
a broader term that includes lenses with more than two optical strengths
- single-vision
describes a lens with only one strength across the entire surface
用法筆記
Typically used before a noun as an attributive adjective (e.g., bifocal lenses, bifocal glasses). The adjective form describes the lens technology rather than the eyewear itself.