dioptre

简明释义

英[daɪˈɒptə(r)]美[daɪˈɑːptər]

n. [光]屈光度（等于 diopter）

英英释义

单词用法

同义词

反义词

例句

1.What is a dioptre?

什么是屈光度？

2.Conclusion the CCT is the thickest in the low dioptre myopia, and the iop is the highest in the high dioptre myopia.

结论低度近视的角膜厚度最厚而高度近视的眼压最高。

3.There are interaction among preoperative intraocular pressure, preoperative dioptre and thickness of postoperative corneal stroma bed (P<0.05 or P<0.01).

术前眼压、屈光度、术后角膜基质床厚度间存在交互影响（P＜0.01）。

4.The lensometers is also called measural lens dioptre instrument, to measure spherical lens dioptre, cylindric lens dioptre and axis, prism dioptre, and lens optical center etc.

顶焦度计又称对光机、查片机，可用来测量球光镜镜度、散光镜镜度、棱镜镜度以及散光轴线和光学中心点等，是眼镜片冷加工中必不可少的检测仪器。

5.It's necessary to dilate the pupils for the eyetest . In this way we can get the exact dioptre.

医生：验光需要放大瞳孔，这样我们可以得到准确的屈光度。 %。

6.The lensometers is also called measural lens dioptre instrument, to measure spherical lens dioptre, cylindric lens dioptre and axis, prism dioptre, and lens optical center etc.

顶焦度计又称对光机、查片机，可用来测量球光镜镜度、散光镜镜度、棱镜镜度以及散光轴线和光学中心点等，是眼镜片冷加工中必不可少的检测仪器。

7.The surface regularity index (SRI) was positively correlated with surface asymmetry index (SAI), and the astigmatism was positively correlated with dioptre and SAI in myopia.

角膜表面规则性指数(SRI)与角膜表面非对称性指数(SAI)呈正相关，而且近视眼的散光度与其屈光度、SAI呈正相关。

8.A lens with a power of +3.00 dioptre is used for correcting hyperopia.

一副 +3.00 屈光度 的镜片用于矫正远视。

9.When measuring vision, optometrists often use dioptre to determine the degree of refractive error.

在测量视力时，验光师通常使用 屈光度 来确定屈光误差的程度。

10.The prescription for my glasses indicates a strength of -2.50 dioptre.

我眼镜的处方显示强度为-2.50 屈光度。

11.For contact lenses, the dioptre measurement is crucial for proper fitting.

对于隐形眼镜，屈光度 测量对于合适的佩戴至关重要。

12.My ophthalmologist explained that each dioptre represents a change in the focal length of the lens.

我的眼科医生解释说，每个 屈光度 代表镜头焦距的变化。

作文

The concept of vision and its measurement has always fascinated scientists and optometrists alike. One crucial element in understanding how we perceive the world around us is the use of the term dioptre, which is a unit of measurement for the optical power of a lens. The dioptre indicates how strongly a lens converges or diverges light. It is defined as the reciprocal of the focal length measured in meters. For instance, a lens with a focal length of one meter has a power of one dioptre, while a lens with a focal length of 0.5 meters has a power of two dioptre. This relationship helps in understanding how lenses are prescribed to correct vision problems such as myopia (nearsightedness) and hyperopia (farsightedness).When considering the importance of dioptre in everyday life, it becomes clear that this measurement plays a significant role in the design and selection of corrective eyewear. For example, an individual diagnosed with myopia may require glasses with a negative dioptre value, indicating that the lenses will diverge light rays to allow for clearer vision at distance. On the other hand, someone with hyperopia may need positive dioptre lenses, which converge light rays to help focus images correctly on the retina.Furthermore, the dioptre is not only essential for eyeglasses but also for contact lenses and other optical devices. Optometrists utilize this measurement to ensure that patients receive the appropriate prescription tailored to their specific visual needs. The process of determining the right dioptre value involves comprehensive eye examinations, where various tests assess how well a person can see at different distances.In addition to its practical applications, the dioptre also serves as a bridge between physics and biology. Understanding how light interacts with lenses allows us to appreciate the complexities of human vision. The eye itself can be considered a natural lens system, with its cornea and lens working together to focus light onto the retina. By studying the dioptre, researchers can gain insights into how optical systems function, leading to advancements in both medical and technological fields.As technology progresses, the relevance of the dioptre continues to evolve. Innovations in lens manufacturing and design have led to more effective solutions for vision correction. For example, high-index lenses, which are thinner and lighter, can provide the same optical power with a lower dioptre value, improving comfort and aesthetics for wearers.In conclusion, the term dioptre is more than just a technical measurement; it encapsulates the science of optics and its application in enhancing human vision. By understanding the significance of dioptre, we can better appreciate the importance of proper vision correction and the ongoing advancements in optical technology. Whether through glasses, contact lenses, or other optical devices, the dioptre remains a fundamental concept that plays a vital role in our daily lives, helping us see the world clearly and vividly.

视觉及其测量的概念一直吸引着科学家和验光师。理解我们如何感知周围世界的一个关键要素是使用术语屈光度，它是衡量透镜光学功率的单位。屈光度表示透镜聚焦或发散光线的强度。它被定义为以米为单位测量的焦距的倒数。例如，焦距为一米的透镜具有一屈光度的功率，而焦距为0.5米的透镜则具有两屈光度的功率。这种关系有助于理解如何开处方透镜来矫正近视和远视等视觉问题。考虑到屈光度在日常生活中的重要性，这一测量在眼镜的设计和选择中发挥着重要作用。例如，被诊断为近视的人可能需要负屈光度值的眼镜，这表明透镜会发散光线，以便在远处更清晰地看见。另一方面，远视者可能需要正屈光度透镜，这样可以聚焦光线，使图像在视网膜上正确对焦。此外，屈光度不仅对眼镜至关重要，还对隐形眼镜和其他光学设备同样重要。验光师利用这一测量来确保患者获得适合其特定视觉需求的处方。确定合适的屈光度值的过程包括全面的眼部检查，通过各种测试评估一个人在不同距离下的视力情况。除了实际应用外，屈光度还在物理学和生物学之间架起了一座桥梁。理解光与透镜的相互作用使我们能够欣赏人类视觉的复杂性。眼睛本身可以被视为一种自然的透镜系统，其角膜和晶状体共同工作，将光线聚焦到视网膜上。通过研究屈光度，研究人员可以深入了解光学系统的功能，从而推动医学和技术领域的进步。随着科技的发展，屈光度的相关性不断演变。透镜制造和设计的创新导致了更有效的视觉矫正方案。例如，高折射率透镜更薄更轻，可以用较低的屈光度值提供相同的光学功率，提高佩戴者的舒适度和美观性。总之，术语屈光度不仅仅是一个技术测量，它概括了光学科学及其在改善人类视觉中的应用。通过理解屈光度的重要性，我们可以更好地欣赏视觉矫正的必要性以及光学技术的持续进步。无论是通过眼镜、隐形眼镜还是其他光学设备，屈光度始终是一个基本概念，在我们的日常生活中发挥着至关重要的作用，帮助我们清晰而生动地看见这个世界。