Claude Bernard Horner Syndrome is a medical condition that affects the eyes and face. It is named after the French physiologist Claude Bernard and the British ophthalmologist Jonathan Hutchinson Horner. The correct spelling of this syndrome is /klɔd bɛrnar hɔrnər sɪndroʊm/ which is pronounced as Klawd BER-nard HORN-er Sin-drohm. It is caused by interruption or damage to the sympathetic nerve fibers, which results in drooping eyelids, a constricted pupil, and decreased sweating on one side of the face.
Claude Bernard Horner Syndrome, also known as Horner's syndrome, is a rare medical condition characterized by a collection of symptoms arising from the disruption of certain nerves in the face and neck. It is typically caused by damage or dysfunction of the sympathetic nervous system, which controls involuntary functions throughout the body.
This syndrome involves a triad of specific symptoms: a drooping or partial closure of the upper eyelid, a constricted pupil, and a sinking of the eyeball into the eye socket. These symptoms occur on one side of the face and are caused by disruption or interruption of sympathetic nerves supplying the eye and surrounding structures. Other additional symptoms may include decreased sweating on the affected side of the face, facial flushing, and a lack of color in the affected iris.
Claude Bernard Horner Syndrome can have various causes, such as trauma, tumors, infections, or vascular disorders affecting the sympathetic nerve pathways. Diagnosis of this syndrome involves a comprehensive physical examination, evaluation of medical history, and potentially further tests like blood tests, imaging studies, or a special eye examination called a pharmacologic test.
Treatment of Claude Bernard Horner Syndrome depends on the underlying cause and may involve addressing the specific condition causing the nerve disruption. In some cases, the syndrome may resolve spontaneously without treatment. However, if a specific cause is identified, treatment may involve medication, surgery, or other interventions to alleviate symptoms or correct the underlying problem.