emmetropic

简明释义

英[/ˌɛmɪˈtrɒpɪk/]美[/ˌɛmɪˈtrɒpɪk/]

adj. [眼科] 正视眼的

英英释义

单词用法

同义词

反义词

例句

1.From analyzing the data of the slope and et, he speculated that the sensory system in LOM subjects might be less sensitive to defocus than that of emmetropic subjects.

分析坡度和ET资料后，他推测在LOM人员中，对离焦感觉的敏感性不如正视眼那么高。

2.From analyzing the data of the slope and et, he speculated that the sensory system in LOM subjects might be less sensitive to defocus than that of emmetropic subjects.

分析坡度和ET资料后，他推测在LOM人员中，对离焦感觉的敏感性不如正视眼那么高。

3.An eye exam revealed that she was emmetropic, meaning her vision was perfect without any corrective lenses.

一次眼科检查显示她是远视正常的，这意味着她的视力完美，不需要任何矫正镜片。

4.Most children are born emmetropic, but as they grow, some may develop refractive errors.

大多数儿童出生时是远视正常的，但随着他们的成长，有些可能会出现屈光不正。

5.The optometrist explained that an emmetropic eye focuses light directly on the retina.

验光师解释说，远视正常的眼睛将光线直接聚焦在视网膜上。

6.People who are emmetropic do not experience blurry vision at any distance.

那些是远视正常的人在任何距离都不会感到视力模糊。

7.During the study, researchers found that emmetropic individuals had better visual acuity than those with myopia.

在研究中，研究人员发现远视正常的人比近视者的视觉敏锐度更好。

作文

In the realm of vision science, the term emmetropic refers to a state where an individual's eyes are perfectly aligned to focus light directly onto the retina without any corrective lenses. This means that a person who is emmetropic has clear vision at all distances, which is often considered the ideal visual condition. Understanding what it means to be emmetropic is crucial for both eye care professionals and individuals alike, as it sets a standard for assessing various refractive errors such as myopia and hyperopia. The concept of emmetropic vision is fundamental in the study of optics and human anatomy. When light enters the eye, it passes through the cornea and lens before reaching the retina. In an emmetropic eye, the curvature of the cornea and the lens is just right, allowing light rays to converge precisely on the retina. This optimal alignment ensures that the images perceived by the brain are sharp and well-defined. However, not everyone is emmetropic. Many people experience refractive errors, which occur when the shape of the eye prevents light from focusing directly on the retina. For instance, individuals with myopia, or nearsightedness, have elongated eyeballs, causing distant objects to appear blurry. On the other hand, those with hyperopia, or farsightedness, have shorter eyeballs, leading to difficulty in focusing on close objects. Understanding these conditions in contrast to emmetropic vision helps individuals recognize the importance of regular eye examinations and the potential need for corrective measures like glasses or contact lenses. The implications of being emmetropic extend beyond mere clarity of vision; they also affect overall quality of life. People who enjoy emmetropic vision can engage in activities such as reading, driving, and sports without the hindrance of visual impairment. This ability contributes significantly to their independence and self-esteem. Conversely, those with refractive errors may face challenges that can impact their daily lives, from difficulty in reading small print to concerns about safety while driving at night. Moreover, advancements in technology and eye care have made it possible for many individuals with refractive errors to achieve emmetropic vision through corrective surgeries like LASIK or through the use of contact lenses and glasses. These innovations highlight the importance of understanding the emmetropic condition as a benchmark for optimal vision and the potential solutions available to those who do not naturally possess it. In conclusion, the term emmetropic is not just a scientific label; it represents a vital aspect of human experience related to vision. By comprehending what it means to be emmetropic, we can better appreciate the significance of maintaining good eye health and the advancements in technology that allow individuals to correct their vision. Ultimately, striving for emmetropic vision should be a goal for everyone, as it enhances our ability to interact with the world around us, leading to a richer and more fulfilling life.

在视觉科学的领域中，术语emmetropic指的是个体眼睛完美对齐，能够将光线直接聚焦到视网膜上而无需任何矫正镜片的状态。这意味着一个emmetropic的人在所有距离上都有清晰的视力，这通常被认为是理想的视觉状态。理解成为emmetropic的含义对于眼科专业人员和个人来说都至关重要，因为它为评估各种屈光不正（如近视和远视）设定了标准。 emmetropic视觉的概念在光学和人类解剖学的研究中是基础。当光线进入眼睛时，它会穿过角膜和晶状体，然后到达视网膜。在一个emmetropic的眼睛中，角膜和晶状体的曲率正好合适，使光线能够准确地聚焦在视网膜上。这种最佳对齐确保了大脑感知的图像清晰而明晰。 然而，并非每个人都是emmetropic。许多人经历屈光不正，当眼睛的形状阻止光线直接聚焦在视网膜上时，就会发生这种情况。例如，近视患者的眼球延长，导致远处物体模糊。另一方面，远视患者的眼球较短，导致难以聚焦近处物体。与emmetropic视觉相对比，理解这些情况有助于个人认识到定期眼部检查的重要性，以及可能需要的矫正措施，如眼镜或隐形眼镜。 成为emmetropic的影响不仅仅限于视觉清晰度；它们还影响整体生活质量。享受emmetropic视力的人可以参与阅读、驾驶和运动等活动，而不会受到视力障碍的妨碍。这种能力显著提升了他们的独立性和自尊心。相反，屈光不正的人可能面临影响日常生活的挑战，从难以阅读小字到夜间驾驶的安全担忧。 此外，技术和眼科护理的进步使得许多屈光不正的人能够通过LASIK等矫正手术或使用隐形眼镜和眼镜来实现emmetropic视力。这些创新突显了理解emmetropic状况作为最佳视觉基准的重要性，以及那些自然没有这种状态的人可用的潜在解决方案。 总之，术语emmetropic不仅仅是一个科学标签；它代表了与视觉相关的人类经验的一个重要方面。通过理解成为emmetropic的含义，我们可以更好地欣赏保持良好眼健康的重要性以及技术进步如何使个人能够纠正视力。最终，追求emmetropic视力应成为每个人的目标，因为它增强了我们与周围世界互动的能力，从而带来更丰富、更充实的生活。