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.

References

Philosophical phrases Metaphors referring to objects Consequentialism Quotations from philosophy {{Psych-stub

See also

References