Definition of trifocal in English:

trifocal

adjective trʌɪˈfəʊk(ə)lˈtraɪˌfoʊk(ə)l

(of a pair of glasses) having lenses with three parts with different focal lengths.
（眼镜）有三焦距的，三光的
Example sentencesExamples
- A bifocal lens corrects both far and near vision, while a trifocal also has an intermediate zone.
- And trifocal contact lenses are placed a little bit higher in such a way that the area for intermediate zone is on the pupil of the eye.
- Additionally, where bifocal or trifocal lenses are not desirable, disposable lens shields and ‘press-on’ lenses in the upper and/or upper-central regions of the lens have been proposed.
- One analysis reports that neck pain experienced by middle-aged patients often coincides with their first prescription for bifocal or trifocal glasses.

noun trʌɪˈfəʊk(ə)lˈtraɪˌfoʊk(ə)l

trifocals

A pair of glasses with trifocal lenses.
三焦距眼镜，三光眼镜
Example sentencesExamples
- In addition to this, those glasses were extra-strength double-duty army trifocals or something.
- I paid $100 American for blended trifocals, and they are the best glasses I have ever owned.
- And if you wear bifocals or trifocals, keep in mind that you may have a tendency to tilt your head backwards so that you can see through the lower portion of your glasses.
- Older aviators and farsighted aviators may require trifocals, which have two sets of near - vision refractive glass to focus on intermediate and near distances.
- Scopes also help mature shooters continue in the sport longer, he said, because finding iron sights through bifocals and trifocals can be challenging.

Definition of trifocal in US English:

trifocal

adjectiveˈtrīˌfōk(ə)lˈtraɪˌfoʊk(ə)l

(of a pair of glasses) having lenses with three parts with different focal lengths.
（眼镜）有三焦距的，三光的
Example sentencesExamples
- And trifocal contact lenses are placed a little bit higher in such a way that the area for intermediate zone is on the pupil of the eye.
- Additionally, where bifocal or trifocal lenses are not desirable, disposable lens shields and ‘press-on’ lenses in the upper and/or upper-central regions of the lens have been proposed.
- One analysis reports that neck pain experienced by middle-aged patients often coincides with their first prescription for bifocal or trifocal glasses.
- A bifocal lens corrects both far and near vision, while a trifocal also has an intermediate zone.

nounˈtrīˌfōk(ə)lˈtraɪˌfoʊk(ə)l

trifocals

A pair of glasses with trifocal lenses.
三焦距眼镜，三光眼镜
Example sentencesExamples
- Scopes also help mature shooters continue in the sport longer, he said, because finding iron sights through bifocals and trifocals can be challenging.
- I paid $100 American for blended trifocals, and they are the best glasses I have ever owned.
- And if you wear bifocals or trifocals, keep in mind that you may have a tendency to tilt your head backwards so that you can see through the lower portion of your glasses.
- Older aviators and farsighted aviators may require trifocals, which have two sets of near - vision refractive glass to focus on intermediate and near distances.
- In addition to this, those glasses were extra-strength double-duty army trifocals or something.

单词	trifocal
释义	Definition of trifocal in English: trifocal adjective trʌɪˈfəʊk(ə)lˈtraɪˌfoʊk(ə)l (of a pair of glasses) having lenses with three parts with different focal lengths. （眼镜）有三焦距的，三光的 Example sentencesExamples A bifocal lens corrects both far and near vision, while a trifocal also has an intermediate zone. And trifocal contact lenses are placed a little bit higher in such a way that the area for intermediate zone is on the pupil of the eye. Additionally, where bifocal or trifocal lenses are not desirable, disposable lens shields and ‘press-on’ lenses in the upper and/or upper-central regions of the lens have been proposed. One analysis reports that neck pain experienced by middle-aged patients often coincides with their first prescription for bifocal or trifocal glasses. noun trʌɪˈfəʊk(ə)lˈtraɪˌfoʊk(ə)l trifocals A pair of glasses with trifocal lenses. 三焦距眼镜，三光眼镜 Example sentencesExamples In addition to this, those glasses were extra-strength double-duty army trifocals or something. I paid $100 American for blended trifocals, and they are the best glasses I have ever owned. And if you wear bifocals or trifocals, keep in mind that you may have a tendency to tilt your head backwards so that you can see through the lower portion of your glasses. Older aviators and farsighted aviators may require trifocals, which have two sets of near - vision refractive glass to focus on intermediate and near distances. Scopes also help mature shooters continue in the sport longer, he said, because finding iron sights through bifocals and trifocals can be challenging. Definition of trifocal in US English: trifocal adjectiveˈtrīˌfōk(ə)lˈtraɪˌfoʊk(ə)l (of a pair of glasses) having lenses with three parts with different focal lengths. （眼镜）有三焦距的，三光的 Example sentencesExamples And trifocal contact lenses are placed a little bit higher in such a way that the area for intermediate zone is on the pupil of the eye. Additionally, where bifocal or trifocal lenses are not desirable, disposable lens shields and ‘press-on’ lenses in the upper and/or upper-central regions of the lens have been proposed. One analysis reports that neck pain experienced by middle-aged patients often coincides with their first prescription for bifocal or trifocal glasses. A bifocal lens corrects both far and near vision, while a trifocal also has an intermediate zone. nounˈtrīˌfōk(ə)lˈtraɪˌfoʊk(ə)l trifocals A pair of glasses with trifocal lenses. 三焦距眼镜，三光眼镜 Example sentencesExamples Scopes also help mature shooters continue in the sport longer, he said, because finding iron sights through bifocals and trifocals can be challenging. I paid $100 American for blended trifocals, and they are the best glasses I have ever owned. And if you wear bifocals or trifocals, keep in mind that you may have a tendency to tilt your head backwards so that you can see through the lower portion of your glasses. Older aviators and farsighted aviators may require trifocals, which have two sets of near - vision refractive glass to focus on intermediate and near distances. In addition to this, those glasses were extra-strength double-duty army trifocals or something.
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