leucoma

简明释义

英[luːˈkəʊmə]美[luːˈkoʊmə]

角膜白斑

颊白斑

英英释义

单词用法

同义词

反义词

例句

1.Methods:All the corneal leucoma cases were chosen suing Micrometer preoperatively to measure the diameter of the corneal leucoma and the whole corneal.

方法：所有穿透性角膜移植术的角膜白斑病例术前测微尺测量角膜白斑的长径与短径。

2.Methods:All the corneal leucoma cases were chosen suing Micrometer preoperatively to measure the diameter of the corneal leucoma and the whole corneal.

方法：所有穿透性角膜移植术的角膜白斑病例术前测微尺测量角膜白斑的长径与短径。

3.The patient was diagnosed with a leucoma (白斑) after complaining of vision problems.

患者在抱怨视力问题后被诊断为有leucoma（白斑）。

4.Doctors often recommend surgery for severe cases of leucoma (白斑).

医生通常建议对严重的leucoma（白斑）病例进行手术。

5.A leucoma (白斑) can develop as a result of long-term exposure to UV light.

长期暴露于紫外线下可能导致出现leucoma（白斑）。

6.The presence of a leucoma (白斑) on the cornea can affect overall eye health.

角膜上的leucoma（白斑）可能影响整体眼睛健康。

7.Treatment options for leucoma (白斑) include medications and laser therapy.

治疗leucoma（白斑）的选择包括药物和激光疗法。

作文

The human eye is a remarkable organ, capable of perceiving a vast array of colors and details. However, like any other part of the body, it can be affected by various conditions that may impair its function. One such condition is known as leucoma, which refers to a white opacity on the cornea. This condition can arise from several causes, including trauma, infection, or underlying diseases. Understanding leucoma is crucial for both patients and healthcare providers, as it can significantly impact vision and quality of life. When a person develops a leucoma, the transparency of the cornea is compromised. The cornea is the clear front layer of the eye that allows light to enter and focus on the retina. When this layer becomes opaque due to a leucoma, it can lead to blurred vision or even blindness, depending on the severity and location of the opacity. Patients with leucoma may experience symptoms such as discomfort, sensitivity to light, and visual disturbances. There are various causes of leucoma. One common cause is trauma to the eye, which can result in scars that form on the cornea. For instance, if a foreign object scratches the surface of the eye, it can lead to the development of a leucoma. Infections, particularly those caused by bacteria or viruses, can also lead to corneal scarring and leucoma. Furthermore, certain diseases, such as herpes simplex virus infections or syphilis, can predispose individuals to develop this condition. Diagnosis of leucoma typically involves a comprehensive eye examination conducted by an ophthalmologist. During the examination, the doctor will assess the extent of the opacity and determine its underlying cause. Depending on the severity of the leucoma, treatment options may vary. In some cases, if the leucoma is small and not affecting vision significantly, no treatment may be necessary. However, if the opacity is larger and impacts vision, surgical intervention may be required. One common procedure is a corneal transplant, where the damaged cornea is replaced with healthy tissue from a donor. Prevention of leucoma largely revolves around protecting the eyes from injury and managing any underlying health conditions. Wearing protective eyewear during activities that pose a risk of eye injury, such as sports or construction work, can help reduce the likelihood of developing a leucoma. Additionally, maintaining good eye hygiene and seeking prompt treatment for eye infections can also lower the risk. In conclusion, leucoma is a significant condition that affects the cornea and can lead to serious visual impairment. Awareness of its causes, symptoms, and treatment options is essential for early diagnosis and management. By understanding leucoma, individuals can take proactive steps to protect their eye health and maintain their vision. Regular eye check-ups and prompt attention to any changes in vision are key components in preventing the complications associated with this condition.

人眼是一个非凡的器官，能够感知大量的颜色和细节。然而，和身体的其他部分一样，它也可能受到多种状况的影响，从而损害其功能。其中一种情况被称为leucoma，指的是角膜上的白色浑浊。这种情况可以由多种原因引起，包括创伤、感染或潜在疾病。理解leucoma对患者和医疗提供者至关重要，因为它可能会显著影响视力和生活质量。 当一个人发展出leucoma时，角膜的透明度会受到损害。角膜是眼睛前面的透明层，允许光线进入并聚焦在视网膜上。当由于leucoma导致这一层变得不透明时，可能会导致模糊的视力甚至失明，具体取决于浑浊的严重程度和位置。患有leucoma的患者可能会经历不适、对光敏感和视觉干扰等症状。 造成leucoma的原因有很多。一种常见的原因是眼部创伤，可能导致角膜上形成疤痕。例如，如果异物划伤了眼睛表面，可能会导致leucoma的发展。感染，尤其是由细菌或病毒引起的感染，也可能导致角膜疤痕和leucoma。此外，某些疾病，如单纯疱疹病毒感染或梅毒，可能使个体更容易发展这种情况。 leucoma的诊断通常涉及由眼科医生进行的全面眼部检查。在检查过程中，医生将评估浑浊的程度并确定其潜在原因。根据leucoma的严重程度，治疗选项可能会有所不同。在某些情况下，如果leucoma较小且对视力没有显著影响，则可能不需要治疗。然而，如果浑浊较大并影响视力，则可能需要手术干预。一个常见的程序是角膜移植，即用来自捐赠者的健康组织替换受损的角膜。 预防leucoma主要围绕保护眼睛免受伤害和管理任何潜在的健康状况。进行可能存在眼部受伤风险的活动（如运动或建筑工作）时佩戴保护性眼镜，可以帮助减少发展leucoma的可能性。此外，保持良好的眼部卫生并及时治疗眼部感染也可以降低风险。 总之，leucoma是一种显著影响角膜的疾病，可能导致严重的视觉障碍。了解其原因、症状和治疗选项对于早期诊断和管理至关重要。通过理解leucoma，个人可以采取积极措施来保护他们的眼睛健康并维护视力。定期眼部检查和及时关注视力变化是预防与此病相关并发症的关键组成部分。