bifocal

简明释义

英[ˌbaɪˈfəʊkl]美[ˌbaɪˈfoʊkl]

adj. 双焦的；双焦点的

n. 双光眼镜；双重焦点透镜

英英释义

单词用法

同义词

反义词

例句

1.Julia adjusted her invisible bifocal glasses and entered the classroom.

茱莉亚调整了一下自己的双光隐形眼镜。

2.Leo automotive lighting the main sections of the bifocal lens Q5 5 Seiko Hella Visteon fog tears Ballast HID 360 LED lights, factory direct, affordable Need to contact!

莱奥汽车照明主营各款双光透镜Q 5海拉5精工伟世通雾灯泪眼安定器疝气灯360led灯，厂家直销价格实惠有需要的联系！

3.He had beautiful skin, with rosy cheeks, blue eyes, rimless round bifocal spectacles, resting on the tip of his nose.

他皮肤很好，面颊红润，眼睛深蓝，鼻梁上架着一副无框双焦眼镜。

4.Part of a new line of electronic eye glasses called emPower, they allow bifocal wearers to switch between different prescription settings for reading and more distant viewing.

电子眼镜一个新的部分是enPower，允许双焦眼镜对看书和更远景观的不同指令调节点进行转换。

5.Mrs. Bierce wears thick bifocal lenses.

比尔斯夫人戴着一副厚厚的双光眼镜。

6.He also made the first pair of bifocal glasses and invented a musician instrument called the glass harmonica and a stepladder chair.

他还制造了世界上第一副双光眼镜，发明了一种叫玻璃琴的乐器和活动梯子。

7.The entire arrangement makes it easy for this bifocal fish to spot a tasty bug flying above the water, or a bit of algae below.

这个构造使四眼鱼能够很轻松地发现一只从水面飞过的美味的虫子，或者水面下的一点水藻。

8.This paper analyzes the monocular stereo vision algorithm based on bifocal imaging.

对单眼立体视觉的双焦成像算法进行了分析。

9.CFP (Common Focus Point) imaging technology contains confocal and bifocal version.

CFP成像有共聚焦和双聚焦两种形式。

10.With bifocal glasses, I can read my book while still seeing the TV clearly.

戴上双焦点眼镜后，我可以一边看书，一边清楚地看到电视。

11.My grandmother wears bifocal glasses to help her see both near and far.

我奶奶戴着双焦点眼镜，以帮助她看清近处和远处。

12.Many people find bifocal lenses more convenient than switching between two pairs of glasses.

许多人发现双焦点镜片比来回切换两副眼镜更方便。

13.After getting my bifocal prescription, I noticed a significant improvement in my vision.

在拿到我的双焦点眼镜处方后，我注意到我的视力有了显著改善。

14.The optometrist recommended bifocal lenses for my reading difficulties.

验光师建议我使用双焦点镜片来解决我的阅读困难。

作文

In today's fast-paced world, vision problems are becoming increasingly common among people of all ages. One of the most effective solutions for those who struggle with both near and distance vision is the use of bifocal lenses. These innovative lenses allow individuals to see clearly at multiple distances without the need for switching between different pairs of glasses. The concept of bifocal lenses was first introduced by Benjamin Franklin in the 18th century, and since then, they have evolved significantly, providing comfort and convenience to millions of users.The primary function of bifocal lenses is to cater to the needs of presbyopia, a condition that typically occurs with aging, where the eye's lens loses its flexibility. This condition makes it difficult to focus on close objects, leading to frustration during activities such as reading or sewing. Traditional single-vision glasses only correct one type of vision, either near or far, but bifocal lenses combine both prescriptions into one lens, making them an ideal choice for those who require assistance with both.A typical bifocal lens consists of two distinct optical zones: the upper portion is designed for distance vision, while the lower segment is tailored for near vision. This design allows wearers to seamlessly transition their focus from afar to nearby objects, enhancing their overall visual experience. For instance, a person wearing bifocal glasses can easily read a book while still being able to see across the room without needing to remove their glasses.Despite their advantages, some individuals may initially find it challenging to adjust to bifocal lenses. The sudden shift in focus can cause discomfort or dizziness, especially for those who are new to wearing them. However, with time and practice, most users adapt to the unique lens structure and appreciate the benefits they provide. In fact, many people report that bifocal lenses significantly improve their quality of life, allowing them to engage in activities they once found difficult.Moreover, advancements in technology have led to the development of progressive bifocal lenses, which offer a more gradual transition between different vision zones. Unlike traditional bifocal lenses, which have a visible line separating the two areas, progressive lenses provide a smooth gradient of vision correction. This feature not only enhances aesthetics but also improves functionality, as users can enjoy a more natural viewing experience without the abrupt changes associated with traditional designs.In conclusion, bifocal lenses serve as a practical solution for individuals facing vision challenges related to aging and presbyopia. By combining multiple prescriptions into one lens, they offer convenience and clarity at various distances. While there may be an adjustment period, the long-term benefits of wearing bifocal lenses far outweigh any initial discomfort. As technology continues to advance, we can expect even more innovative solutions for vision correction, ensuring that everyone can enjoy the beauty of the world around them without the hindrance of poor eyesight.

在当今快节奏的世界中，视力问题在各个年龄段的人群中变得越来越普遍。对于那些在近距离和远距离视力上都有困难的人来说，使用bifocal（双焦点）镜片是一种非常有效的解决方案。这些创新的镜片使个人能够在不需要更换不同眼镜的情况下，在多个距离上清晰地看见。bifocal镜片的概念最早是由本杰明·富兰克林在18世纪提出的，自那时起，它们已经显著发展，为数百万用户提供了舒适和便利。bifocal镜片的主要功能是满足老花眼患者的需求，这是一种通常随着年龄增长而发生的情况，眼睛的晶状体失去弹性。这种情况使得聚焦近处物体变得困难，从而在阅读或缝纫等活动中造成挫折。传统的单光眼镜只能矫正一种类型的视力，要么是近视，要么是远视，而bifocal镜片将两种处方结合到一个镜片中，使其成为需要同时帮助近视和远视的人的理想选择。典型的bifocal镜片由两个不同的光学区域组成：上半部分设计用于远视，而下半部分则针对近视。这种设计使佩戴者能够无缝地在远处和近处物体之间切换焦点，从而增强整体视觉体验。例如，佩戴bifocal眼镜的人可以轻松阅读书籍，同时还能看到房间对面的东西，而无需摘掉眼镜。尽管有这些优点，但一些人可能会发现最初调整bifocal镜片具有挑战性。焦点的突然转变可能会导致不适或头晕，尤其是对于那些新佩戴它们的人。然而，随着时间的推移和练习，大多数用户会适应这种独特的镜片结构，并欣赏它们所提供的好处。事实上，许多人报告称，佩戴bifocal镜片显著改善了他们的生活质量，使他们能够参与以前觉得困难的活动。此外，技术的进步导致了渐进式bifocal镜片的发展，这种镜片提供了不同视力区域之间更平滑的过渡。与传统的bifocal镜片不同，后者在两个区域之间有明显的分界线，渐进镜片提供了一种平滑的视力矫正渐变。这一特点不仅增强了美观性，还提高了功能性，因为用户可以享受更加自然的观看体验，而不必经历传统设计所带来的突然变化。总之，bifocal镜片作为一个实用的解决方案，服务于面临与年龄和老花眼相关的视力挑战的个人。通过将多种处方结合到一个镜片中，它们在各种距离上提供了便利和清晰度。虽然可能会有一个调整期，但佩戴bifocal镜片的长期好处远远超过任何初始的不适。随着技术的不断进步，我们可以期待更多创新的视力矫正解决方案，确保每个人都能享受周围世界的美丽，而不受视力差的困扰。