"Auf einem Auge blöd" is a German idiom that translates to "blind in one eye." It describes a situation where someone is unable to see or acknowledge a particular issue or perspective, often due to bias or selective perception. This phrase can be used to highlight a lack of awareness or understanding in discussions or debates. The expression can also refer to a person who is willfully ignorant or chooses to ignore certain facts. It emphasizes the importance of being open-minded and considering multiple viewpoints, especially in contexts like politics or social issues.