Entrundete Pupillen

Entrundete Pupillen: A Comprehensive Guide

What is Pupillary Rundung?

Pupillary rundung, also known as dilated pupils, refers to the enlargement of the black circular opening in the center of the eye, known as the pupil. The pupils naturally dilate in response to darkness to allow more light into the eye, enhancing vision in low-light conditions. However, persistent dilation beyond normal limits can be a sign of underlying medical conditions or the effects of certain substances.

Causes of Pupillary Rundung

Physiological Causes:

• Darkness
• Emotional arousal (e.g., fear, excitement)
• Certain medications (e.g., atropine, scopolamine)

Pathological Causes:

• Eye injuries
• Neurological disorders (e.g., Horner's syndrome)
• Drug use (e.g., opioids, hallucinogens)
• Brain injuries or tumors

Symptoms of Pupillary Rundung

The primary symptom of pupillary rundung is the noticeable enlargement of the pupils, which can be accompanied by:

• Blurred vision or difficulty focusing
• Sensitivity to light
• Double vision
• Headache
• Nausea or vomiting

Diagnosis and Treatment

Diagnosing the cause of pupillary rundung involves a comprehensive eye exam, including pupillary reflexes and dilation testing. Treatment options depend on the underlying cause and may include:

• Eye drops or ointments to constrict the pupils
• Surgery to repair eye injuries
• Medications to manage underlying medical conditions
• Cessation of drug use

When to Seek Medical Attention

While physiological dilation is normal, persistent pupillary rundung that does not resolve within a few hours or is accompanied by other symptoms requires prompt medical attention. This is especially important if the dilation affects only one eye or is accompanied by any sudden vision changes, headaches, or nausea, as it could indicate a serious underlying condition.

Conclusion

Pupillary rundung is a common condition that can be caused by a wide range of factors. While physiological dilation is a normal response to darkness, persistent or excessive dilation can be a sign of an underlying medical condition or drug use. If you experience persistent pupillary rundung or any accompanying symptoms, it is crucial to seek medical attention promptly for proper diagnosis and treatment.