Causes Of Horner Syndrome
February 7, 2019
Horner syndrome occurs as a result of damage to the sympathetic pathways. It happens in rare cases and may affect anyone as young as one year old. The condition is characterized by several effects with the facial area. Miosis is the pupil becoming smaller in size. Another symptom, ptosis, is defined as droopy upper eyelids. With that, inverse ptosis (elevation) of the lower eyelid can also occur. Patients can also experience anhidrosis, a lack of sweating, in the area of the affected pupil. As to what causes Horner syndrome, a number of triggers have been suggested based on observations. Here are some of the reported causes for the condition.