Reflex Pupillary Trigeminal

The trigeminal pupillary reflex, also known as the trigeminal pupillary reflex, is one of the important reflexes associated with the nervous system. It occurs when the trigeminal nerve, which runs through the face, is stimulated, causing the pupil - the hole in the iris of the eye - to shrink and change its diameter.

The pupillary trigeminal reflex plays an important role in our daily lives, especially in situations where we are faced with visual or painful stimuli. For example, when exposed to bright light or when experiencing pain, our brain can automatically respond to these stimuli, causing the pupil to contract and change its diameter. This helps us adapt to different environmental conditions and protects our eyes from excess light and pain.

In addition, the pupillary trigeminal reflex can be used for medical purposes, for example, in diagnosing diseases of the nervous system or determining the level of damage to the trigeminal nerve.

Overall, the pupillary trigeminal reflex is an important reflex that plays an important role in many aspects of our lives and can be used to diagnose and treat various diseases.



- this is a friendly bilateral simultaneous dilation of the pupils of the eyes in response to irritation of the trigeminal nerve. The part of the reflex arc, reflecting the conduction of the nerve impulse to the pupillary cells, is located in the medulla of the anterior section (stratum griseum dorsale suipontis) of the medial longitudinal fasciculus (fasciculus longitudinalis medialis) of the anterior part of the optic tract, where there is a separation from it and intersection of the fibers of the third neuron to the center. This explains the severity and persistence of the pupillary reflex in pathologies of the optic nerve and paranasal sinuses, as well as in intracranial hypertension. Such violations most often occur in the presence of increased ICP.