KEYHOLE PUPILS Meaning and
Definition
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Keyhole pupils, also known as miotic pupils, refer to a medical condition characterized by abnormally constricted pupils. The pupils are notably constricted to a size resembling a keyhole, thus giving rise to the term. This condition typically occurs due to dysfunction in the autonomic nervous system, which controls the constriction and dilation of the pupils based on the amount of light present in the environment.
A variety of factors can lead to the development of keyhole pupils. One common cause is the use of certain medications, such as opioids and certain antidepressants. In addition, head injuries, brain tumors, and certain neurological conditions can also result in this pupil abnormality. Keyhole pupils may also be a side effect of certain systemic diseases, including severe infections, such as tetanus or botulism.
When dealing with keyhole pupils, an accurate diagnosis is crucial to identify and address the underlying cause. A medical professional will assess the patient's medical history, conduct a physical examination, and might order additional tests, such as blood work or imaging studies, to determine the root cause. The treatment strategy will depend on the underlying condition. For example, if keyhole pupils are induced by medication usage, the physician might consider adjusting or discontinuing the medication, whereas addressing neurological causes requires targeted interventions.
In summary, keyhole pupils are characterized by abnormally constricted pupils resembling a keyhole shape. They are typically caused by dysfunction in the autonomic nervous system due to various factors, including medication use, head injuries, and certain diseases. Accurate diagnosis and subsequent treatment depend on identifying and managing the underlying cause.
Common Misspellings for KEYHOLE PUPILS
- jeyhole pupils
- meyhole pupils
- leyhole pupils
- oeyhole pupils
- ieyhole pupils
- kwyhole pupils
- ksyhole pupils
- kdyhole pupils
- kryhole pupils
- k4yhole pupils
- k3yhole pupils
- kethole pupils
- keghole pupils
- kehhole pupils
- keuhole pupils
- ke7hole pupils
- ke6hole pupils
- keygole pupils
- keybole pupils
- keynole pupils
Etymology of KEYHOLE PUPILS
The term "keyhole pupils" is derived from the appearance of the pupils of an individual's eyes, which resemble the shape of a keyhole. It is a descriptive term used to indicate a specific medical condition called miosis.
The term "miosis" itself is derived from the Greek word "meioun", meaning "to lessen" or "to contract". Miosis refers to the constriction or narrowing of the pupil, leading to a smaller and more pinpoint appearance.
When someone takes certain drugs or medications, such as opioids, barbiturates, or amphetamines, their pupils can become constricted to a small size, resembling a keyhole. This adverse effect is known as "opioid-induced miosis" or "drug-induced miosis". The term "keyhole pupils" is often used casually to refer to this specific symptom.
