axial length

简明释义

轴长

英英释义

Axial length refers to the measurement of the distance from the front (anterior) to the back (posterior) of the eye, which is crucial for determining refractive errors and overall eye health.

轴长是指从眼睛前部(前极)到后部(后极)的距离测量,对于确定屈光不正和整体眼睛健康至关重要。

例句

1.Research shows that the axial length of the eye can change with age.

研究表明,眼睛的轴长会随着年龄的增长而变化。

2.A longer axial length can indicate a higher risk of myopia in children.

较长的轴长可能表明儿童近视的风险更高。

3.The doctor measured the axial length of the patient's eye to determine if they needed corrective lenses.

医生测量了患者眼睛的轴长以确定他们是否需要矫正镜片。

4.Understanding the axial length is crucial for planning cataract surgery.

理解轴长对于规划白内障手术至关重要。

5.During the eye exam, the technician recorded the axial length for further analysis.

在眼科检查中,技术员记录了轴长以便进一步分析。

作文

The concept of axial length is crucial in the field of ophthalmology, particularly when discussing the anatomy of the eye and its implications for vision. The axial length refers to the distance from the front (anterior) surface of the cornea to the back (posterior) surface of the retina. This measurement is significant because it plays a vital role in determining the refractive power of the eye. When the axial length is too short or too long, it can lead to common vision problems such as myopia (nearsightedness) or hyperopia (farsightedness). Understanding the axial length helps eye care professionals diagnose and treat these conditions effectively.In recent years, advancements in technology have allowed for more accurate measurements of the axial length. For instance, optical coherence tomography (OCT) and ultrasound biometry are two techniques that provide precise readings of this critical dimension. By knowing the exact axial length, ophthalmologists can better predict how light will focus on the retina, which is essential for planning surgical procedures like cataract surgery or laser vision correction.Moreover, research has shown that the axial length can change over time, especially during childhood and adolescence. As a child grows, their eyes also develop, and the axial length increases. This growth can sometimes lead to progressive myopia, which is a growing concern in today's digital age where children spend more time on screens. Monitoring the axial length in young patients can help identify those at risk for developing severe refractive errors later in life.In addition to its importance in diagnosing refractive errors, the axial length is also a critical factor in the evaluation of various ocular diseases. For example, in conditions such as glaucoma and macular degeneration, changes in the axial length can provide insights into the progression of these diseases. Therefore, regular monitoring of the axial length can be beneficial in managing patients with such conditions.Furthermore, the understanding of the axial length extends beyond individual patient care. On a larger scale, epidemiological studies have begun to explore the relationship between the axial length and environmental factors, such as outdoor activity and screen time. These studies aim to uncover why certain populations experience higher rates of myopia and how lifestyle changes can potentially mitigate these risks.In conclusion, the axial length is a fundamental aspect of eye health that influences various aspects of vision and ocular disease management. As technology continues to advance, our ability to measure and understand the axial length will improve, leading to better outcomes for patients. It is essential for both eye care professionals and patients to recognize the significance of the axial length in maintaining optimal eye health and preventing vision-related issues.

“轴向长度”这一概念在眼科学领域至关重要,特别是在讨论眼睛的解剖结构及其对视觉的影响时。“轴向长度”指的是从角膜前表面(前部)到视网膜后表面(后部)的距离。这个测量非常重要,因为它在确定眼睛的折射力方面起着关键作用。当“轴向长度”过短或过长时,可能导致常见的视觉问题,如近视或远视。理解“轴向长度”有助于眼科专业人员有效地诊断和治疗这些状况。近年来,科技的进步使得“轴向长度”的测量更加准确。例如,光学相干断层扫描(OCT)和超声生物测量是两种提供该关键尺寸精确读数的技术。通过了解确切的“轴向长度”,眼科医生可以更好地预测光线如何聚焦在视网膜上,这对于规划手术程序(如白内障手术或激光视力矫正)至关重要。此外,研究表明,“轴向长度”可能会随着时间的推移而变化,特别是在儿童和青少年期间。随着孩子的成长,他们的眼睛也在发育,“轴向长度”会增加。这种增长有时会导致进行性近视,这是当今数字时代一个日益严重的问题,因为孩子们花更多时间在屏幕上。监测年轻患者的“轴向长度”可以帮助识别那些在未来可能发展出严重屈光不正的人。除了在诊断屈光错误中的重要性外,“轴向长度”也是评估各种眼病的关键因素。例如,在青光眼和黄斑变性等疾病中,“轴向长度”的变化可以提供对这些疾病进展的见解。因此,定期监测“轴向长度”对于管理这些疾病的患者是有益的。此外,对“轴向长度”的理解不仅限于个体患者护理。在更大范围内,流行病学研究开始探索“轴向长度”与环境因素之间的关系,例如户外活动和屏幕时间。这些研究旨在揭示为什么某些人群经历更高的近视发生率,以及生活方式的改变如何可能减轻这些风险。总之,“轴向长度”是眼健康的基本方面,影响视觉和眼病管理的各个方面。随着科技的不断进步,我们测量和理解“轴向长度”的能力将得到改善,从而为患者带来更好的结果。眼科专业人员和患者都应认识到“轴向长度”在维持最佳眼健康和预防视觉相关问题中的重要性。

相关单词

length

length详解:怎么读、什么意思、用法