keratometer

简明释义

英[ˌkerəˈtɒmɪtə(r)]美[kerəˈtɑːmɪtər]

n. 角膜散光计；角膜弯度计

英英释义

单词用法

同义词

反义词

例句

1.The result of keratometer was different from that of topography.

角膜曲率计测量结果与角膜地形图有差异。

2.Conclusions the corneal diopter measured by the topographer was more accurate than that measured by the keratometer, especially for the patients cornea was too steep, flat or corneal opacity.

结论角膜地形图仪系统测量角膜屈光度更为准确、全面，尤其对角膜过陡、过平、有斑翳、云翳者的检测结果更有参考价值。

3.Conclusions the corneal diopter measured by the topographer was more accurate than that measured by the keratometer, especially for the patients cornea was too steep, flat or corneal opacity.

结论角膜地形图仪系统测量角膜屈光度更为准确、全面，尤其对角膜过陡、过平、有斑翳、云翳者的检测结果更有参考价值。

4.Keratometry - a keratometer is the primary instrument used to measure the curvature of the cornea.

角膜曲率检测——角膜曲率计是用来检测角膜曲率的仪器。

5.A keratometer is essential for fitting contact lenses properly.

正确配戴隐形眼镜时，角膜测量仪是必不可少的。

6.During my eye exam, the doctor explained how a keratometer works.

在我的眼科检查中，医生解释了角膜测量仪的工作原理。

7.The optometrist used a keratometer to measure the curvature of my cornea.

验光师使用角膜测量仪来测量我角膜的曲率。

8.The keratometer readings indicated that I had astigmatism.

角膜测量仪的读数显示我有散光。

9.Using a keratometer, we can determine the best lens shape for your eyes.

通过使用角膜测量仪，我们可以确定最适合您眼睛的镜片形状。

作文

The field of ophthalmology has seen significant advancements over the years, especially in the area of diagnostic tools. One such tool that plays a crucial role in assessing the curvature of the cornea is the keratometer. A keratometer (角膜计) is an instrument used to measure the radius of curvature of the anterior surface of the cornea, which is essential for various eye-related assessments and procedures. This device is particularly important in the fitting of contact lenses, as it helps determine the appropriate lens curvature for individual patients.Understanding how a keratometer works is vital for both eye care professionals and patients. The keratometer operates by projecting a series of illuminated rings onto the cornea and measuring the reflection of these rings. By analyzing the distortion of these rings, the keratometer can accurately calculate the curvature of the cornea. This information is crucial for diagnosing conditions such as astigmatism, where the cornea is irregularly shaped, leading to blurred vision.In addition to its role in contact lens fitting, the keratometer is also used in preoperative assessments for refractive surgery, such as LASIK. Surgeons rely on the data obtained from a keratometer to plan the procedure meticulously, ensuring optimal outcomes for their patients. Accurate measurements of the corneal curvature help in determining the best approach for reshaping the cornea, ultimately improving visual acuity.Furthermore, the keratometer serves as a valuable tool for monitoring the progression of certain eye diseases. For instance, in keratoconus, a condition characterized by thinning and bulging of the cornea, regular measurements with a keratometer can help track changes over time. This monitoring is essential for timely interventions and managing the condition effectively.Patients may wonder why such precise measurements are necessary. The answer lies in the fact that even slight variations in corneal curvature can significantly impact vision. A keratometer provides the detailed information needed to ensure that any corrective measures, whether through glasses, contact lenses, or surgical procedures, are tailored to the individual's unique eye shape.Moreover, the importance of a keratometer extends beyond individual patient care. In research settings, this device contributes to the broader understanding of corneal topography and its implications for ocular health. Studies utilizing keratometers have enhanced our knowledge of various corneal diseases, leading to better treatment protocols and improved patient outcomes.In conclusion, the keratometer is an indispensable tool in modern ophthalmology. Its ability to provide accurate measurements of corneal curvature plays a pivotal role in diagnosing and managing a wide range of eye conditions. As technology continues to evolve, we can anticipate further enhancements in keratometer design and functionality, ultimately benefiting both eye care professionals and patients alike. Understanding the significance of the keratometer not only highlights its clinical applications but also emphasizes the importance of precise measurements in achieving optimal eye health.

眼科领域近年来取得了显著的进展，特别是在诊断工具方面。其中一个在评估角膜曲率方面发挥重要作用的工具是keratometer。keratometer（角膜计）是一种用于测量角膜前表面曲率半径的仪器，这对各种眼部相关评估和程序至关重要。该设备在隐形眼镜配戴中尤为重要，因为它有助于确定适合个体患者的镜片曲率。了解keratometer的工作原理对眼科专业人士和患者都至关重要。keratometer通过将一系列照明环投射到角膜上，并测量这些环的反射来操作。通过分析这些环的变形，keratometer可以准确计算角膜的曲率。这些信息对于诊断诸如散光等病症非常关键，散光是由于角膜形状不规则导致视力模糊。除了在隐形眼镜配戴中的作用外，keratometer还用于屈光手术（如LASIK）的术前评估。外科医生依赖于从keratometer获得的数据来精确规划手术，确保患者的最佳结果。角膜曲率的准确测量有助于确定重新塑形角膜的最佳方法，从而最终改善视觉清晰度。此外，keratometer也是监测某些眼病进展的宝贵工具。例如，在角膜扩张症中，角膜变薄和凸起的情况，定期使用keratometer进行测量可以帮助跟踪随时间的变化。这种监测对于及时干预和有效管理该病症至关重要。患者可能会想知道为什么需要如此精确的测量。答案在于，即使是角膜曲率的轻微变化也会对视力产生重大影响。keratometer提供所需的详细信息，以确保任何矫正措施，无论是通过眼镜、隐形眼镜还是手术程序，都是针对个体独特眼形量身定制的。此外，keratometer的重要性超出了个体患者护理。在研究环境中，该设备有助于更广泛地理解角膜地形及其对眼睛健康的影响。利用keratometers进行的研究增强了我们对各种角膜疾病的认识，导致了更好的治疗方案和改善的患者结果。总之，keratometer是现代眼科中不可或缺的工具。它提供的角膜曲率准确测量在诊断和管理各种眼病中发挥着关键作用。随着技术的不断发展，我们可以期待keratometer设计和功能的进一步增强，最终使眼科专业人士和患者受益。了解keratometer的重要性不仅突显了其临床应用，还强调了精确测量在实现最佳眼健康中的重要性。