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Dilation of the pupil
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- Mydriasis refers to the dilation of the pupil, which normally occurs in response to low amounts of light in the environment.
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Jan 28, 2021 · Mydriasis occurs when an individual’s pupils (the black opening in the center of the eye that regulates light entry), become dilated, or larger. Although this occurs as a normal response to light, mydriasis may also occur as a result of other, less common, underlying causes.
- Mydriasis is pronounced as: mid-dry-uh-sis.
- Although mydriasis is a normal occurrence, prolonged or inappropriate mydriasis can be indicative of an underlying cause. Potential causes of unusu...
- The most common medications that can cause mydriasis are anticholinergics and mydriatics. Anticholinergics inhibit specific hormones, or chemical s...
- Mydriasis is a risk factor for angle closure glaucoma in certain individuals. This is most commonly seen in those with “narrow angles”, which refer...
- Mydriasis is treated by diagnosing and treating the underlying cause. Seeking immediate medical attention is important with unusual or prolonged my...
- Mydriasis refers to the dilation of the pupil, which normally occurs in response to low amounts of light in the environment. In some cases, prolong...
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Mydriasis is the dilation of the pupil, usually having a non-physiological cause, [3] or sometimes a physiological pupillary response. [4] Non-physiological causes of mydriasis include disease, trauma, or the use of certain types of drug. It may also be of unknown cause.
This is a list of roots, suffixes, and prefixes used in medical terminology, their meanings, and their etymologies. Most of them are combining forms in Neo-Latin and hence international scientific vocabulary .
1. Dilatation of the pupil. 2. The condition of an eye having an abnormally large pupil diameter (5 mm in daylight). The condition may be due to a paralysis of the sphincter pupillae muscle, to an irritation of the sympathetic pathway, to a drug (e.g. atropine, homatropine), or to adaptation to darkness.