Tunnel vision metaphorically denotes the reluctance to
consider alternatives to one's preferred line of thought; instances may include
physician
A physician (American English), medical practitioner (Commonwealth English), medical doctor, or simply doctor, is a health professional who practices medicine, which is concerned with promoting, maintaining or restoring health through th ...
s treating patients,
detective
A detective is an investigator, usually a member of a law enforcement agency. They often collect information to solve crimes by talking to witnesses and informants, collecting physical evidence, or searching records in databases. This leads th ...
s considering
crime suspect
In law enforcement jargon, a suspect is a known person accused or suspected of committing a crime. Police and reporters in the United States often use the word suspect as a jargon when referring to the perpetrator of the offense (perp in dated U ...
s, or anyone predisposed to a favored outcome.
The common way to solve this problem is a
second opinion
A second opinion is an opinion on a matter disputed by two or more parties.
Law
In legal cases, a second opinion which contradicts the opinion of a jointly retained expert may be disregarded as not being impartial.
Consumer rights
In cas ...
, that is, getting somebody unrelated to the original investigation to look at it from the beginning, without the same
bias
Bias is a disproportionate weight ''in favor of'' or ''against'' an idea or thing, usually in a way that is closed-minded, prejudicial, or unfair. Biases can be innate or learned. People may develop biases for or against an individual, a group, ...
es and preconceptions. This is generally due to bias from preceding incidents.
See also
*
Cognitive bias
A cognitive bias is a systematic pattern of deviation from norm or rationality in judgment. Individuals create their own "subjective reality" from their perception of the input. An individual's construction of reality, not the objective input, m ...
*
Reality tunnel Reality tunnel is a theory that, with a subconscious set of mental filters formed from beliefs and experiences, every individual interprets the same world differently, hence "Truth is in the eye of the beholder". It is similar to the idea of repres ...
References
Philosophical phrases
Metaphors referring to objects
Consequentialism
Quotations from philosophy
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