macula lutea

简明释义

黄斑

英英释义

例句

1.Age-related macular degeneration affects the macula lutea 黄斑 and can impair central vision.

年龄相关性黄斑变性影响macula lutea 黄斑，可能会损害中心视力。

2.Damage to the macula lutea 黄斑 can lead to significant vision loss.

对macula lutea 黄斑 的损伤可能导致显著的视力丧失。

3.The doctor explained that the macula lutea 黄斑 is crucial for sharp vision.

医生解释说，macula lutea 黄斑 对于清晰视力至关重要。

4.Photoreceptor cells in the macula lutea 黄斑 are responsible for our ability to see fine details.

位于macula lutea 黄斑 的感光细胞负责我们看清细节的能力。

5.During the eye exam, the optometrist checked the health of the macula lutea 黄斑.

在眼科检查中，验光师检查了macula lutea 黄斑 的健康状况。

作文

The human eye is a remarkable organ, capable of perceiving a vast array of colors and details. One of the most critical parts of the eye is the macula lutea, an area located near the center of the retina. The macula lutea (黄斑) is responsible for our central vision and is essential for tasks that require sharp vision, such as reading, driving, and recognizing faces. This small but vital region contains a high concentration of photoreceptor cells, particularly cones, which are responsible for color vision and visual acuity.The macula lutea is approximately 5 millimeters in diameter and is surrounded by the peripheral retina, which plays a different role in our vision. While the peripheral retina is responsible for detecting motion and providing us with a broader field of view, the macula lutea allows us to focus on fine details. This distinction is crucial for understanding how we interact with our environment. For example, when reading a book, our eyes naturally fixate on the text, relying heavily on the macula lutea to discern the letters clearly.In addition to its role in visual acuity, the macula lutea also contains specialized cells that filter harmful blue light and protect the retina from oxidative damage. This filtering mechanism is vital in today's digital age, where prolonged exposure to screens can lead to eye strain and potential long-term damage. Studies have shown that maintaining the health of the macula lutea is essential for preserving vision as we age.However, various conditions can affect the health of the macula lutea. Age-related macular degeneration (AMD) is one of the leading causes of vision loss among older adults. AMD occurs when the cells in the macula lutea begin to deteriorate, leading to blurred or distorted vision. Early detection and intervention are crucial in managing this condition, and regular eye examinations can help identify changes in the macula lutea before significant vision loss occurs.Moreover, lifestyle choices play a significant role in the health of the macula lutea. A diet rich in antioxidants, including vitamins C and E, zinc, and omega-3 fatty acids, can support retinal health. Foods such as leafy greens, fish, nuts, and fruits are beneficial for maintaining the integrity of the macula lutea. Additionally, protecting our eyes from UV exposure by wearing sunglasses can also help preserve the health of this vital area.In conclusion, the macula lutea is a crucial component of the eye, integral to our ability to see clearly and perform daily tasks. Understanding its function and the factors that influence its health can empower individuals to take proactive steps in preserving their vision. As we continue to advance in technology and face new challenges for our eyesight, it is essential to prioritize the well-being of the macula lutea and, by extension, our overall eye health.

人眼是一个非凡的器官，能够感知广泛的颜色和细节。眼睛中最重要的部分之一是macula lutea（黄斑），它位于视网膜的中心附近。macula lutea负责我们的中心视觉，对于需要清晰视觉的任务至关重要，例如阅读、驾驶和识别人脸。这个小而重要的区域含有大量的感光细胞，特别是锥体细胞，这些细胞负责色彩视觉和视觉敏锐度。macula lutea直径约为5毫米，周围是外围视网膜，后者在我们的视觉中扮演着不同的角色。虽然外围视网膜负责检测运动并为我们提供更广阔的视野，但macula lutea使我们能够聚焦于细节。这一区别对于理解我们如何与环境互动至关重要。例如，当我们阅读一本书时，眼睛自然会固定在文字上，极大依赖于macula lutea来清晰辨认字母。除了在视觉敏锐度中的作用外，macula lutea还含有特殊细胞，可以过滤有害的蓝光，保护视网膜免受氧化损伤。在当今数字时代，这种过滤机制至关重要，因为长时间暴露在屏幕前可能导致眼睛疲劳和潜在的长期损伤。研究表明，保持macula lutea的健康对于保护视力至关重要，尤其是随着年龄的增长。然而，各种情况可能会影响macula lutea的健康。年龄相关性黄斑变性（AMD）是老年人视力丧失的主要原因之一。AMD发生在macula lutea的细胞开始退化时，导致视力模糊或扭曲。早期检测和干预对于管理这种情况至关重要，定期眼科检查可以帮助识别macula lutea的变化，以便在显著视力丧失发生之前采取措施。此外，生活方式选择在macula lutea的健康中也起着重要作用。富含抗氧化剂的饮食，包括维生素C和E、锌和Omega-3脂肪酸，可以支持视网膜健康。富含叶绿蔬菜、鱼类、坚果和水果的食物对维护macula lutea的完整性非常有益。此外，通过佩戴太阳镜来保护眼睛免受紫外线的影响，也有助于保持这一重要区域的健康。总之，macula lutea是眼睛的重要组成部分，对我们清晰地看到和进行日常活动至关重要。了解其功能和影响其健康的因素，可以使个人采取积极措施，保护他们的视力。随着我们在科技上的不断进步以及面临新挑战，我们必须优先考虑macula lutea的健康，从而维护整体眼睛健康。