diopters

简明释义

英[daɪˈɒptəz]美[daɪˈɑptərz]

n. 屈光镜；[光]屈光度（diopter 的复数）

英英释义

单词用法

同义词

反义词

例句

1.In the case of little circular light source and rectangular slit, the simulation results of different myopic diopters are obtained by geometrical optical theory and Fourier optics respectively.

在假定照明光源是均匀分布的小圆形光源和狭缝为一矩形的条件下，分别利用几何光学和傅立叶光学给出不同屈光度下光强分布情况。

2.For people with myopia between 6 and 12 diopters, studies showed that after surgery, about: 1.

而对于近视度数在600至1200度之间的患者，研究显示手术后大约。

3.How strong are your glasses? 3 diopters.

你眼镜度数多高？屈光度为3。

4.It is also considered the best procedure for correcting high nearsightedness (greater than 7 diopters), although the results of surgery become harder to predict with higher amounts of nearsightedness.

尽管高度近视使手术结果变得难以预测，但它仍被认为是纠正高度近视(大于700度)的最好手术方法。

5.Pathologic myopia is usually defined as the need for a spectacle correction of -6 diopters or higher.

病理性近视通常被定义为需要六百度或以上之近视眼镜矫正的近视。

6.In general, for correcting nearsightedness over 3 diopters, both LASIK and PRK are better than radial keratotomy (RK).

在一般情况下，对于纠正300度以上的近视来说，LASIK和PRK手术两者均优于RK（径向角膜切开术）手术。

7.Residual myopic diopters were on the rise after 1 year.

自1年后，患者的主觉残余近视度数出现上升趋势。

8.There was no significant difference in gender, age, course of disease, refractive diopters and volume of silicone oil tamponade between patients with and without elevated IOP (P>0.05 for all).

高眼压组与非高眼压组性别、年龄、病程、屈光度及硅油填充量比较差异均无统计学意义（P>0.05）。

9.The higher the number of diopters (屈光度), the stronger the lens needed for correction.

数字越高，所需的镜片矫正能力就越强，单位为屈光度。

10.Contact lenses come in various strengths, including those that correct vision by up to -4.00 diopters (屈光度).

隐形眼镜有多种度数，包括可以矫正高达-4.00 屈光度的眼镜。

11.For distance vision, my left eye is -1.75 diopters (屈光度) and my right eye is -2.00 diopters.

对于远视，我的左眼是-1.75 屈光度，右眼是-2.00 屈光度。

12.The optometrist measured my vision and prescribed glasses with a strength of +2.5 diopters (屈光度).

验光师测量了我的视力，并开了一副+2.5 屈光度的眼镜。

13.My new prescription indicates I need +1.00 diopters (屈光度) for reading glasses.

我的新处方显示我需要+1.00 屈光度的阅读眼镜。

作文

Understanding the concept of diopters is essential for anyone interested in the field of optics, particularly in relation to vision correction. A diopter is a unit of measurement that indicates the optical power of a lens or mirror. It is defined as the reciprocal of the focal length in meters. For instance, if a lens has a focal length of one meter, it has a power of one diopter. This simple formula helps us grasp how lenses function and their effectiveness in altering our vision.When we talk about vision problems like nearsightedness (myopia) or farsightedness (hyperopia), diopters become a crucial part of the conversation. Myopic individuals require negative diopters to correct their vision, while those who are hyperopic need positive diopters. The more severe the vision impairment, the higher the absolute value of the diopter measurement.For example, a person with -3.00 diopters is considered moderately nearsighted. This means that objects at a distance appear blurry, and corrective lenses are needed to bring those images into focus. On the other hand, someone with +2.00 diopters is mildly farsighted, indicating that they struggle to see close objects clearly.In the realm of optometry, understanding diopters is not just an academic exercise; it directly impacts patient care. Optometrists perform refraction tests to determine a patient's diopter needs. This involves using a phoropter, a device equipped with various lenses, to measure how different diopters affect the patient's vision. By adjusting the lenses, the optometrist can find the optimal prescription that allows the patient to see clearly.Moreover, the concept of diopters extends beyond just eyeglasses. Contact lenses also have diopter values, which are crucial for ensuring proper vision correction. The fitting of contact lenses requires precise measurements of the eye's curvature and the diopter strength needed to achieve optimal vision. In addition to glasses and contacts, diopters are also relevant in the context of surgery. Procedures such as LASIK aim to reshape the cornea to correct refractive errors. Surgeons must consider the diopter values when planning the procedure, as they directly relate to the degree of correction needed. The importance of diopters cannot be overstated. They serve as a universal language in the field of optics, providing a standardized way to communicate the strength of lenses and the nature of vision impairments. As technology advances and new methods of vision correction emerge, the understanding of diopters remains fundamental.In conclusion, diopters are a key component in the understanding of vision correction. Whether through glasses, contact lenses, or surgical procedures, diopters help us quantify and address various visual impairments. Knowing how to interpret and apply diopters is vital for both professionals in the field and individuals seeking to improve their vision. As we continue to explore advancements in optics, the role of diopters will undoubtedly remain significant in enhancing our quality of life through better vision.

理解屈光度的概念对于任何对光学领域感兴趣的人来说都是至关重要的，尤其是与视力矫正相关的部分。屈光度是一个测量单位，用于指示透镜或镜子的光学功率。它被定义为焦距的倒数，单位为米。例如，如果一个透镜的焦距为一米，它的光学功率为一屈光度。这个简单的公式帮助我们理解透镜如何工作，以及它们在改变我们视力方面的有效性。当我们谈论近视（myopia）或远视（hyperopia）等视力问题时，屈光度成为了对话中至关重要的一部分。近视患者需要负屈光度来矫正他们的视力，而远视患者则需要正屈光度。视力障碍越严重，屈光度的绝对值就越高。例如，一个-3.00屈光度的人被认为是中度近视。这意味着远处的物体看起来模糊，需要矫正镜片才能使这些图像聚焦。另一方面，一个+2.00屈光度的人是轻度远视，这表明他们在清晰地看到近处的物体时遇到困难。在验光领域，理解屈光度不仅仅是学术练习；它直接影响患者护理。验光师会进行屈光检查，以确定患者所需的屈光度。这涉及使用一种配有各种透镜的设备——验光仪，来测量不同屈光度对患者视力的影响。通过调整透镜，验光师可以找到最佳处方，使患者能够清晰地看到。此外，屈光度的概念不仅限于眼镜。隐形眼镜也有屈光度值，这对确保正确的视力矫正至关重要。隐形眼镜的配戴需要精确测量眼睛的曲率和所需的屈光度强度，以实现最佳视力。除了眼镜和隐形眼镜，屈光度在手术的背景下也很相关。LASIK等手术旨在重塑角膜以矫正屈光误差。外科医生在计划手术时必须考虑屈光度值，因为它们与所需的矫正程度直接相关。屈光度的重要性不容小觑。它们作为光学领域的通用语言，提供了一种标准化的方式来交流透镜的强度和视力障碍的性质。随着技术的进步和新视力矫正方法的出现，对屈光度的理解仍然是基础。总之，屈光度是理解视力矫正的关键组成部分。无论是通过眼镜、隐形眼镜还是手术程序，屈光度帮助我们量化和解决各种视觉障碍。了解如何解读和应用屈光度对专业人士和寻求改善视力的个人都是至关重要的。随着我们继续探索光学的进步，屈光度的角色无疑将在通过更好的视力提升我们的生活质量方面保持重要性。