Horner's syndrome is also known as Horner
syndrome, Bernard-Horner syndrome, and Oculosympathetic
palsy.
(These synonyms are mentioned for information but are not necessarily
included as separate entries in this glossary. Where multiple entries
are included the text links to them.)
Horner's syndrome is a rare syndrome that consists
of:
- a constricted pupil
(of the eye),
- drooping of the upper eyelid (a condition that can also occur on its
own, when it is known as blepharoptosis
or as ptosis),
and
- lack of sweating on the affected side of the face (the technical term
for "lack of sweating" when it would normally occur being
"anhidrosis").
The cause of Horner's syndrome is generally considered
to be due to a disorder of the sympathetic nerves supplying the affected
part of the eye and face.
Thorough diagnosis by an appropriate professional is important. The physical
signs comprising Horner's syndrome may be indicative
of other underlying conditions so should be investigated as clinically
appropriate. Treatment of Horner's syndrome can vary
because it is recommended according to the underlying conditions.
Horner's syndrome is named after Swiss Ophthalmologist,
Johann Friedrich Horner (1831 - 1886). |
Ref: Horner JF. Über eine Form
von Ptosis. Klin Monatsbl Augenheilk 1869 ; 7 : 193-8. |
More about Ophthalmology: This section includes short definitions
of many diseases, disorders, and conditions of the eyes and visual system.
For definitions of other terms in this category, choose from the list
to the left (but note that this is not a complete/exhaustive list).
Other related pages include the diagram
of the eye, and definitions
of parts of the eye, a description
of the human retina, and definitions
of parts of the retina, and the section of short definitions
of clinical and surgical procedures re. eyes and human visual system.
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Diseases
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