1
blindness in [body part]
The infection caused blindness in her right eye.
感染导致她右眼失明。
失明；盲
先理解核心含义，再看它在真实句子里的用法。
失明；盲
the state of being blind or lacking sight
The infection caused blindness in her right eye.
感染导致她右眼失明。
指视觉丧失的状态，不是比喻意义上的盲目
失明的状态；无法看见。
The condition of being blind; unable to see.
失明或缺乏视力的状态
the state of being blind or lacking sight
缺乏智力或道德辨别力；心智黑暗；无知、疏忽。
Want of intellectual or moral discernment; mental darkness; ignorance, heedlessness.
His blindness did not stop him from becoming a skilled musician.
他的失明没有阻止他成为一名技艺精湛的音乐家。
The disease can cause permanent blindness if it is not treated early.
这种疾病如果不尽早治疗，可能导致永久性失明。
She studied the history of blindness and the inventions that help blind people.
她研究了失明的历史以及帮助盲人的发明。
The infection caused blindness in her right eye.
感染导致她右眼失明。
Untreated glaucoma can cause blindness.
未经治疗的青光眼可导致失明。
The patient has suffered from blindness since birth.
这名患者自出生起就患有失明。
The bright flash caused temporary blindness.
强光一闪导致暂时性失明。
Not this
He is blindness.
Use this
He is blind.
blindness 是名词，表示“失明”这一状态；描述人的状态作表语时应用形容词 blind。
Not this
He has a color blindness.
Use this
He has color blindness.
blindness 表示“色盲”时为不可数名词，不能用不定冠词 a。
Not this
He is suffered from blindness.
Use this
He suffers from blindness.
suffer from 意为“患有”，是主动语态；主语为人时应直接说 He suffers from blindness，不能使用被动形式 is suffered from。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
完全失明
The injury caused total blindness in his right eye.
那次受伤导致他的右眼完全失明。
色盲
Color blindness is more common in men than in women.
色盲在男性中比在女性中更常见。
夜盲症
A lack of vitamin A can lead to night blindness.
缺乏维生素A会导致夜盲症。
雪盲症
Wearing sunglasses in the snow can prevent snow blindness.
在雪地里戴太阳镜可以预防雪盲症。
暂时性失明
The bright flash left him with temporary blindness.
强烈的闪光使他暂时失明。
法定失明
People with legal blindness may still have some useful vision.
被判定为法定失明的人可能仍有一定有用的视力。
爱是盲目的，我不想看见。
A lyric from the U2 song “Love Is Blindness” (1991), describing how love can make people ignore painful truths.
出自U2乐队1991年歌曲《Love Is Blindness》，表达爱会让人对痛苦视而不见。
Use blindness naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
blind（盲的）加上名词后缀-ness，变成失明状态；想象眼前一片漆黑，什么都看不见。
语域：mixed 常见场景：medical or clinical discussion、everyday description of vision loss、figurative or formal writing about ignorance blindness 的基本义“失明”在医疗和日常表述中都很自然，语气中性；比喻义“盲目、愚昧”多用于书面或正式场合，如 blindness to something。总体来说，选择哪种语气取决于是否用于比喻，而不是词本身带有明显的口语或正式标记。
kindness /ˈkaɪndnəs/ 与 blindness 押韵；goodness 拼写同为 -dness 但重读元音不同，darkness、brightness 也含 -ness 但不押韵。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.