Munson's sign
Munson's Sign
Munson's sign (/ˈmʌnsənz saɪn/) is a clinical sign often used in the field of Ophthalmology. It is named after the American ophthalmologist, Edward Jackson Munson.
Etymology
The term "Munson's sign" is derived from the name of its discoverer, Edward Jackson Munson, who first described this sign in the early 20th century.
Definition
Munson's sign is a V-shaped indentation of the lower eyelid that becomes apparent when the patient looks downward. It is a characteristic sign of Keratoconus, a degenerative disorder of the eye in which the cornea assumes a conical shape.
Related Terms
- Keratoconus: A non-inflammatory eye condition in which the normally round dome-shaped cornea progressively thins causing a cone-like bulge to develop.
- Ophthalmology: The branch of medicine that deals with the diagnosis and treatment of eye disorders.
- Cornea: The clear front surface of the eye that covers the iris, pupil, and anterior chamber, providing most of an eye's optical power.
- Eyelid: A thin fold of skin that covers and protects the eye.
See Also
External links
- Medical encyclopedia article on Munson's sign
- Wikipedia's article - Munson's sign
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