fovea

简明释义

英[ˈfəʊvɪə]美[ˈfoʊviə]

n. [解剖] 凹，小凹（尤指视网膜的中央凹）；小窝

复 数 f o v e a e

英英释义

单词用法

同义词

反义词

例句

1.One is the fovea, a central area used to see colors and pick out details such as fine print.

一个就是视网膜中央凹，一个用来看颜色并察觉出细节的中间地带。

2.ConclusionMild macular central fovea edema was found within the first month following LASIK, mostly in high myopia.

近视眼lasik术后出现的黄斑中心凹视网膜水肿主要发生在高度近视眼。

3.Conclusions As the AL of eye increases, the RT at the parafovea decreases, while the minimum and the average RT at the fovea remain unchanged.

结论随着眼轴长度的增加，旁中心凹视网膜变薄，中心凹的最小RT及中心凹区的平均RT没有变化。

4.Conclusion:The clinical application of EMLA for endotracheal anesthesia during neurosurgical operation in cranial fovea posterior is safe and effective.

结论：恩纳气管内麻醉用于神经外科围术期保留气管导管的患者安全、有效。

5.Conclusion: The imaging anatomy of ethmoidal roof, cribrum and understanding of the formation of olfactory fovea is the instructive significance for anterior skull base surgery.

结论：了解筛顶板及筛板的影像解剖及嗅凹的形成对减少前颅底外科手术并发症的发生具有十分重要的意义。

6.The length of the visual axis was the distance from the corneal vertex to the macular fovea, and it was also measured by A-mode ultrasound in sitting position with different ultrasonic velocity.

以角膜顶点至黄斑中心凹距离作为视轴长度，此连线上测量硅油后间隙的厚度。

7.The fovea 中央凹 contains a high density of cones, allowing for detailed color vision.

fovea 中央凹 含有高密度的锥体细胞，使得细致的色彩视觉成为可能。

8.The fovea 中央凹 plays a crucial role in tasks that require visual acuity, like reading.

fovea 中央凹 在需要视觉敏锐度的任务中（如阅读）发挥着至关重要的作用。

9.The sharpest vision occurs at the center of the retina where the fovea 中央凹 is located.

视网膜中心的 fovea 中央凹 是视觉最清晰的地方。

10.In some visual disorders, the fovea 中央凹 can become damaged, leading to blurred vision.

在某些视觉障碍中，fovea 中央凹 可能受到损害，导致视力模糊。

11.When examining the eye, doctors often look closely at the fovea 中央凹 for signs of disease.

在检查眼睛时，医生通常会仔细观察 fovea 中央凹 是否有疾病迹象。

作文

The human eye is a remarkable organ, capable of perceiving a wide range of colors and details. At the center of our vision lies a small but crucial part known as the fovea, which is responsible for sharp central vision. The fovea (黄斑) is a tiny pit located in the retina of the eye, and it plays a vital role in how we see and interpret the world around us. In this essay, I will explore the significance of the fovea in visual perception, its structure, and its impact on our everyday lives.To understand the importance of the fovea, we must first look at its structure. The fovea is densely packed with cone photoreceptors, which are responsible for color vision and high acuity. Unlike other areas of the retina that contain a mix of rods and cones, the fovea is almost entirely composed of cones. This concentration allows us to see fine details clearly, making the fovea essential for tasks such as reading, driving, and recognizing faces. Without the fovea, our ability to perceive the world in detail would be severely compromised.In addition to its structural significance, the fovea also has functional implications. When we focus on an object, our eyes naturally direct light onto the fovea. This process is known as foveation, and it enables us to gather detailed information about what we are looking at. For instance, when reading a book, our eyes move in a series of rapid movements called saccades, landing on different words to ensure that the text is in focus on the fovea. This ability to quickly shift our gaze and concentrate on specific points is crucial for efficient reading and comprehension.Moreover, the health of the fovea is directly linked to our overall visual health. Conditions such as macular degeneration can severely affect the fovea, leading to blurred or lost central vision. This highlights the importance of regular eye examinations and maintaining eye health. Protecting our eyes from excessive sun exposure and ensuring proper nutrition can help preserve the function of the fovea as we age.In conclusion, the fovea is a small yet powerful component of our visual system. Its unique structure, packed with cone photoreceptors, allows for high-resolution vision and color perception. The ability to foveate on objects enables us to interact with our environment effectively, whether we are reading, driving, or engaging in any activity that requires detailed visual input. Understanding the role of the fovea not only enhances our appreciation for the complexity of the human eye but also underscores the importance of taking care of our vision. As we continue to explore the wonders of human anatomy, the fovea serves as a reminder of the intricate mechanisms that allow us to experience the world in vivid detail.

人眼是一个非凡的器官，能够感知广泛的颜色和细节。在我们视觉的中心，有一个小而重要的部分被称为fovea（黄斑），它负责清晰的中央视觉。fovea是位于眼睛视网膜中的一个微小凹陷，它在我们如何看待和解释周围世界中起着至关重要的作用。在这篇文章中，我将探讨fovea在视觉感知中的重要性、其结构以及对我们日常生活的影响。要理解fovea的重要性，我们首先必须了解其结构。fovea密集地堆积着锥体光感受器，这些光感受器负责颜色视觉和高分辨率。与其他包含杆状和锥状细胞的视网膜区域不同，fovea几乎完全由锥体组成。这种浓度使我们能够清晰地看到细节，使得fovea在阅读、驾驶和识别面孔等任务中至关重要。没有fovea，我们感知世界的能力将受到严重损害。除了结构上的重要性，fovea还有功能上的意义。当我们专注于一个物体时，我们的眼睛自然会将光线引导到fovea上。这个过程被称为注视（foveation），它使我们能够收集有关我们所看的信息。例如，当阅读书籍时，我们的眼睛以一系列快速的运动（称为扫视）移动，停留在不同的单词上，以确保文本在fovea上处于焦点。这种快速转移视线并集中于特定点的能力对于高效的阅读和理解至关重要。此外，fovea的健康与我们整体视觉健康直接相关。像黄斑变性这样的疾病可能会严重影响fovea，导致模糊或失去中央视觉。这强调了定期眼科检查和维护眼睛健康的重要性。保护我们的眼睛免受过度阳光暴露以及确保适当的营养可以帮助我们在衰老过程中保持fovea的功能。总之，fovea是我们视觉系统中一个小而强大的组成部分。它独特的结构，充满了锥体光感受器，使得高分辨率视觉和颜色感知成为可能。对物体的注视能力使我们能够有效地与环境互动，无论是阅读、驾驶还是参与任何需要详细视觉输入的活动。理解fovea的作用不仅增强了我们对人眼复杂性的欣赏，还强调了照顾我们视觉的重要性。当我们继续探索人类解剖的奇迹时，fovea提醒我们允许我们以生动细节体验世界的复杂机制。