Hippus

Hippus is a medical term that refers to the rhythmic dilation and constriction of the pupil of the eye, often observed in certain neurological or ophthalmological conditions. It is also known as pupillary unrest, and is not typically present in healthy individuals.

Causes of Hippus

Hippus can be caused by a variety of conditions, including:

• Neurological disorders: Certain neurological conditions, such as Multiple sclerosis, can cause hippus.
• Ophthalmological conditions: Conditions that affect the eye, such as Glaucoma, can also cause hippus.
• Medications: Certain medications, particularly those that affect the nervous system, can cause hippus.

Diagnosis of Hippus

Hippus is typically diagnosed through a comprehensive eye examination. This may include:

• Pupillary light reflex test: This test measures the response of the pupil to light. In individuals with hippus, the pupil may dilate and constrict in a rhythmic pattern.
• Slit lamp examination: This test allows the doctor to examine the structures of the eye in detail. It can help to identify any abnormalities that may be causing hippus.

Treatment of Hippus

The treatment of hippus typically involves addressing the underlying cause. This may include:

• Medication: If hippus is caused by a medication, it may be necessary to adjust the dosage or switch to a different medication.
• Surgery: In some cases, surgery may be necessary to treat the underlying condition causing hippus.

See also

• Pupil
• Neurological disorders
• Ophthalmological conditions
• Medications