sclera

简明释义

英[ˈsklɪərə]美[ˈsklɪrə]

n. [解剖] 巩膜

复 数 s c l e r a e 或 s c l e r a s

英英释义

单词用法

同义词

反义词

例句

1.The theory is that a white sclera surrounding a darker iris and pupil helps people work out where everyone else is looking.

该理论认为，围绕在深色虹膜和瞳孔周围的白色巩膜帮助人们判断出其他人在看哪里。

2.The reason that was failure is scar of between sclera lamella and bulber conjunctiva.

手术失败的主要原因是巩膜瓣间、球结膜瘢痕化。

3.Objective To study clinical effectiveness and safety of non-sclera wrapped artificial eye seat of hydroxyapatite(NSWAS-HA).

目的探讨无巩膜包裹羟基磷灰石义眼座植入术临床疗效及安全性。

4.AIM: to observe the clinical effect of releasable sclera flap sutures on the trabeculectomy.

目的：观察巩膜瓣可调整缝线在小梁切除术中应用的效果。

5.Objective To investigate the plastic results of allo sclera after resection of malignant tumor of eye LIDS.

目的探讨眼睑恶性肿瘤切除术后异体巩膜移植的眼睑再造手术效果。

6.Such treatment can be effective to separate iris, pupil, and sclera.

通过这样处理可有效的将虹膜与瞳孔、巩膜分离。

7.A healthy sclera is typically white and free from discoloration.

健康的巩膜通常是白色的，没有变色。

8.During the eye exam, the optometrist checked the sclera for any abnormalities.

在眼科检查中，验光师检查了巩膜是否有任何异常。

9.The doctor examined the patient's sclera for any signs of jaundice.

医生检查了病人的巩膜是否有黄疸的迹象。

10.In cases of eye infection, the sclera may become red and inflamed.

在眼部感染的情况下，巩膜可能会变红并肿胀。

11.The ophthalmologist pointed out that the sclera can reveal systemic health issues.

眼科医生指出，巩膜可以反映全身健康问题。

作文

The human eye is a remarkable organ that allows us to perceive the world around us. One of its key components is the sclera, which is the white outer layer of the eyeball. The sclera (巩膜) serves several important functions that contribute to both the protection and the structural integrity of the eye. Understanding the sclera and its role can help us appreciate the complexity of our visual system.Firstly, the sclera provides a protective barrier for the inner components of the eye. It shields the more delicate structures, such as the retina and the lens, from external trauma and harmful environmental factors. For instance, when we are exposed to bright light or foreign objects, the sclera acts as a sturdy shield, preventing damage to the sensitive tissues inside. This protective function is crucial because any injury to these internal structures could lead to serious vision problems or even blindness.Secondly, the sclera plays a vital role in maintaining the shape of the eyeball. The eye must maintain a specific shape to focus light correctly onto the retina. If the shape of the eye changes, it can lead to refractive errors such as myopia (nearsightedness) or hyperopia (farsightedness). The rigidity of the sclera helps keep the eye in its proper form, ensuring that light is directed accurately for optimal vision.Moreover, the sclera is also involved in the attachment of the eye muscles. Six extraocular muscles are responsible for moving the eye in different directions, and they are anchored to the sclera. This connection allows for precise control of eye movement, which is essential for activities such as reading, driving, and sports. Without the sclera, the coordination between the eye and the brain would be compromised, leading to difficulties in tracking moving objects or maintaining focus on stationary ones.In addition to its structural and protective roles, the sclera also has aesthetic implications. The appearance of the sclera can reflect a person’s overall health. For example, a yellowish tint in the sclera may indicate liver problems, while redness can suggest irritation or infection. Thus, the condition of the sclera can provide valuable insights into an individual’s health status.Furthermore, advancements in medical science have allowed for better understanding and treatment of conditions related to the sclera. For instance, scleral contact lenses are designed to vault over the sclera and rest on the cornea, providing comfort and improved vision for individuals with irregular corneas or severe dry eye syndrome. These lenses utilize the sclera as a stable base, showcasing the importance of this structure in contemporary ophthalmology.In conclusion, the sclera (巩膜) is much more than just the white part of the eye; it is a crucial component that protects, supports, and enhances our vision. By learning about the sclera, we can gain a deeper appreciation for the intricate workings of the eye and the importance of maintaining eye health. A healthy sclera contributes not only to good vision but also to overall well-being, reminding us to take care of our eyes and seek medical attention when necessary.

人眼是一个非凡的器官，使我们能够感知周围的世界。其关键组成部分之一是sclera，即眼球的白色外层。sclera（巩膜）具有多种重要功能，有助于保护眼睛和保持结构完整性。理解sclera及其作用可以帮助我们欣赏视觉系统的复杂性。首先，sclera为眼睛的内部组件提供保护屏障。它保护更精细的结构，如视网膜和晶状体，免受外部创伤和有害环境因素的影响。例如，当我们暴露在强光或异物中时，sclera作为坚固的屏障，防止内部敏感组织受损。这种保护功能至关重要，因为对这些内部结构的任何损伤都可能导致严重的视力问题甚至失明。其次，sclera在维持眼球形状方面发挥着重要作用。眼睛必须保持特定形状，以便正确聚焦光线到视网膜上。如果眼睛的形状发生变化，可能会导致屈光误差，例如近视或远视。sclera的刚性有助于保持眼睛的适当形状，确保光线准确地指向，以实现最佳视觉效果。此外，sclera还与眼肌的附着有关。六条眼外肌负责使眼睛向不同方向移动，它们锚定在sclera上。这种连接使得眼球运动的精确控制成为可能，这对于阅读、驾驶和运动等活动至关重要。如果没有sclera，眼睛与大脑之间的协调将受到影响，导致跟踪运动物体或保持对静止物体的焦点的困难。除了结构和保护作用外，sclera还有美学意义。sclera的外观可以反映一个人的整体健康。例如，sclera呈现出黄色的色调可能表明肝脏问题，而红肿则可能表明刺激或感染。因此，sclera的状况可以为个人的健康状态提供有价值的见解。此外，医学科学的进步使我们更好地理解和治疗与sclera相关的疾病。例如，巩膜接触镜设计用于跨越sclera并停留在角膜上，为患有不规则角膜或严重干眼症的个体提供舒适和改善的视力。这些镜片利用sclera作为稳定的基础，展示了这一结构在当代眼科中的重要性。总之，sclera（巩膜）不仅仅是眼睛的白色部分；它是一个至关重要的组成部分，保护、支持并增强我们的视力。通过了解sclera，我们可以更深刻地欣赏眼睛的复杂运作及保持眼睛健康的重要性。健康的sclera不仅有助于良好的视力，也有助于整体健康，提醒我们照顾好眼睛，并在必要时寻求医疗帮助。