scotoma

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数据源: ai_enrichment
scotoma 指视野中的暗点或盲点,是医学上描述视觉缺陷的专业术语。

用法要点

句型搭配

通常用作可数名词,在句子中作主语或宾语,描述视觉异常。

• The patient has a scotoma.
• A scotoma was detected in the test.

介词用法

常与介词 in 连用表示位置,或与 due to 等表示原因。

• a scotoma in the left eye
• scotoma due to glaucoma

语域说明

主要用于医学、神经科学等专业领域,日常对话中较少使用,属于正式术语。

• clinical scotoma
• neurological scotoma

基础例句

I noticed a small blind spot in my vision, which the doctor called a scotoma.

我注意到视野中有一个小盲点,医生称之为暗点。

After the accident, he developed a temporary scotoma in his right eye.

事故后,他的右眼出现了一个暂时性暗点。

She went to the clinic because she had a scotoma that wouldn't go away.

她去了诊所,因为有一个暗点一直不消失。

高级例句

The study found that migraine patients often experience scintillating scotoma as an aura symptom.

研究发现,偏头痛患者常出现闪光暗点作为先兆症状。

In ophthalmology, perimetry is used to map scotomas and assess visual field defects.

在眼科学中,视野检查用于绘制暗点并评估视野缺陷。

The report indicated a central scotoma, suggesting possible macular degeneration.

报告显示有中心暗点,提示可能存在黄斑变性。

高频搭配

verb

detect a scotomadevelop a scotomahave a scotomacause a scotomatreat a scotoma

adjective

central scotomaperipheral scotomatemporary scotomapermanent scotomablind spot scotoma

noun

eye scotomavision scotomafield scotomatest scotomapatient scotoma

phrase

scotoma of the eyescotoma in visionscotoma due to injuryscotoma with symptoms

常见错误

❌ 错误:I have a scotoma on my eye.
✓ 正确:I have a scotoma in my eye.

scotoma 是视野中的缺陷,应用介词 in 表示在眼睛内部或视野中,而不是 on(表面)。

❌ 错误:Scotoma means blind person.
✓ 正确:Scotoma means a blind spot in vision.

scotoma 指视觉上的盲点或暗点,不是指盲人,中文学习者易混淆词义。

近义词辨析

blind spot

blind spot 更通用,可指生理盲点或比喻性盲区;scotoma 是医学术语,特指病理性的视野缺陷。

Everyone has a natural blind spot in each eye, but a scotoma is often a sign of disease.

visual field defect

visual field defect 是更广泛的术语,包括各种视野异常;scotoma 是其中一种具体类型,即局部暗点。

Glaucoma can cause visual field defects, such as a peripheral scotoma.