astigmatism

astigmatism的音标为[ˌæstɪgˈmætɪzəm]，基本翻译为“散光”，速记技巧为：ast-i-git-ism（散光）。

Astigmatism这个词源自希腊语，意为“不规则的”。其词源中的“astikos”表示不规则或不均匀的。

变化形式：在英语中，astigmatism没有明显的变化形式。

相关单词：

1. Astigmatist - 眼科医生，专门治疗散光和近视的人。

2. Spherical aberration - 球面像差，一种常见的视觉缺陷，与散光有关。

3. Correction - 矫正，通常用于治疗散光的方法，如眼镜或手术。

4. Astigmatism Surgery - 一种眼科手术，用于治疗严重的散光。

5. Astigmatism in Children - 儿童散光，一种常见的儿童视觉问题。

6. Astigmatic Lens - 散光镜片，用于矫正散光。

7. Astigmatism in Diabetes - 糖尿病引起的散光，一种特殊的散光形式。

8. Astigmatism in the Eyes - 眼部的散光，可能由许多因素引起。

9. Astigmatism and Vision Therapy - 散光和视觉训练，视觉训练可能有助于治疗散光。

10. Astigmatism and Refractive Errors - 散光和屈光不正，讨论散光和其他类型的屈光不正之间的关系。

以上这些单词都与astigmatism这个词有关，描述了与散光相关的各种概念和治疗方法。

常用短语：

1. astigmatism correction

2. astigmatism treatment

3. astigmatism glasses

4. astigmatism surgery

5. astigmatism diagnosis

6. astigmatism control

7. astigmatism prevention

双语例句：

1. He had an eye exam and was diagnosed with astigmatism. (他接受了视力检查并被诊断为患有散光。)

2. She had astigmatism surgery and now wears glasses less often. (她接受了散光手术，现在她不常戴眼镜了。)

3. I wear glasses because of my astigmatism, but I"m happy I had the surgery. (我因为散光而需要戴眼镜，但我很庆幸做了手术。)

4. Astigmatism can cause blurred vision, especially in dim light. (散光会导致视力模糊，特别是在昏暗的光线下。)

5. Astigmatism is a common eye condition that can be corrected with glasses or contact lenses. (散光是一种常见的眼疾，可以通过眼镜或隐形眼镜来矫正。)

6. Astigmatism is a type of refractive error that causes blurred vision. (散光是一种造成视力模糊的屈光误差。)

7. Astigmatism is a condition that can affect people of all ages, but it is most common in children and young adults. (散光是一种会影响所有年龄段的人的疾病，但在儿童和年轻成人中最为常见。)

英文小作文：

Astigmatism is a common eye condition that causes blurred vision. It is caused by a misalignment of the eye"s cornea, which results in a distorted image being seen by the retina. Fortunately, astigmatism can be corrected with various methods, including glasses, contact lenses, and surgery.

For me, wearing glasses has become a part of my daily life. They help me see clearly and avoid confusion and frustration caused by blurred vision. However, wearing glasses can also have some drawbacks, such as the need to clean them frequently and the discomfort of wearing them for long periods of time. Fortunately, with the advancements in medical technology, there are now more options available to correct astigmatism, including contact lenses that can be worn without glasses and surgery that can completely eliminate the need for glasses or contact lenses.

Now that I have corrective lenses available to me, I can focus on other aspects of my life, such as reading, watching movies, and playing sports without worrying about my vision affecting my enjoyment of those activities. Astigmatism has not only improved my quality of life but also given me a sense of freedom and confidence that I never thought possible.