refraction error

简明释义

折射误差

英英释义

例句

1.After the eye exam, it was confirmed that I had a significant refraction error (折射误差) requiring corrective lenses.

眼科检查后，确认我有明显的refraction error（折射误差），需要佩戴矫正镜片。

2.The doctor mentioned that untreated refraction errors (折射误差) can lead to further vision problems.

医生提到，未治疗的refraction errors（折射误差）可能导致更严重的视力问题。

3.Regular eye check-ups can help identify refraction errors (折射误差) early.

定期的眼科检查可以帮助及早发现refraction errors（折射误差）。

4.The optometrist explained that my blurry vision was due to a refraction error (折射误差) in my glasses.

验光师解释说，我的视力模糊是因为眼镜中的refraction error（折射误差）。

5.Children often experience refraction errors (折射误差) as their eyes develop.

儿童在眼睛发育过程中常常会出现refraction errors（折射误差）。

作文

Refraction is a fundamental concept in optics that describes how light bends when it passes through different mediums. One common issue that arises from the principles of refraction is the phenomenon known as refraction error. This term refers to the inaccuracies in vision that occur when light rays do not focus correctly on the retina, leading to blurred or distorted images. The refraction error can be caused by various factors, including the shape of the eye, the curvature of the cornea, and the lens's ability to change shape to focus light properly.Understanding refraction error is crucial for anyone experiencing vision problems. Many individuals may not realize that their vision issues stem from this common optical problem. For instance, people with myopia, or nearsightedness, have a refraction error that causes distant objects to appear blurry because the light rays focus in front of the retina. Conversely, hyperopia, or farsightedness, results in difficulty focusing on close objects, as the light rays converge behind the retina due to a similar refraction error.Astigmatism is another type of refraction error that occurs when the cornea is irregularly shaped, causing light rays to focus unevenly on the retina. This condition can lead to distorted or blurry vision at any distance and is often accompanied by eye strain and headaches. Understanding these different types of refraction error is essential for diagnosing and treating vision problems effectively.The diagnosis of refraction error typically involves an eye examination conducted by an optometrist or ophthalmologist. During this exam, various tests are performed to measure how well the eyes focus light. One common test is the visual acuity test, where letters or symbols are displayed at a distance, and the patient is asked to read them. Additionally, the doctor may use a phoropter to determine the precise prescription needed to correct the refraction error.Once diagnosed, refraction error can be corrected using several methods. The most common solution is the use of corrective lenses, such as glasses or contact lenses, which help to focus light correctly on the retina. In some cases, refractive surgery, such as LASIK, may be recommended to reshape the cornea and reduce or eliminate the refraction error altogether.In conclusion, understanding refraction error is vital for maintaining good eye health and ensuring clear vision. By recognizing the symptoms and seeking professional help, individuals can find effective solutions to their vision problems. Awareness and education about refraction error empower people to take charge of their eye health, leading to a better quality of life. Regular eye exams and prompt attention to vision changes can significantly impact one's overall well-being and daily functioning.

折射误差是光学中的一个基本概念，描述了光线在不同介质中传播时的弯曲现象。由折射原理引起的一个常见问题是被称为折射误差的现象。这个术语指的是当光线无法正确聚焦在视网膜上时，导致模糊或扭曲图像的视觉不准确性。折射误差可能由多种因素引起，包括眼睛的形状、角膜的曲率以及晶状体改变形状以正确聚焦光线的能力。理解折射误差对于任何经历视力问题的人来说都是至关重要的。许多人可能没有意识到他们的视力问题源于这种常见的光学问题。例如，近视患者的折射误差使远处物体模糊，因为光线在视网膜前聚焦。相反，远视则导致近距离物体难以聚焦，因为由于类似的折射误差，光线在视网膜后聚焦。散光是另一种类型的折射误差，当角膜形状不规则时发生，导致光线在视网膜上不均匀聚焦。这种情况可能导致任何距离的视力扭曲或模糊，通常伴有眼睛疲劳和头痛。了解这些不同类型的折射误差对于有效诊断和治疗视力问题至关重要。折射误差的诊断通常涉及由验光师或眼科医生进行的眼部检查。在此检查中，会进行各种测试以测量眼睛聚焦光线的能力。一项常见的测试是视力测试，在该测试中，字母或符号在一定距离显示，患者需要阅读它们。此外，医生可能会使用验光仪来确定纠正折射误差所需的精确处方。一旦诊断出折射误差，可以通过几种方法进行矫正。最常见的解决方案是使用矫正镜片，如眼镜或隐形眼镜，帮助光线正确聚焦在视网膜上。在某些情况下，可能会推荐屈光手术，如LASIK，以重新塑造角膜并减少或消除折射误差。总之，理解折射误差对于维护良好的眼睛健康和确保清晰的视力至关重要。通过认识症状并寻求专业帮助，个人可以找到有效的解决方案来应对视力问题。提高对折射误差的认识和教育使人们能够掌握自己的眼睛健康，从而提高生活质量。定期的眼科检查和及时关注视力变化可以显著影响个人的整体健康和日常功能。