Hess
Hess (medical term)
Hess (/hɛs/), in the field of medicine, refers to a specific type of eye examination known as the Hess test or Hess screen test. The term is named after Walter Rudolf Hess, a Swiss physiologist who won the Nobel Prize in Physiology or Medicine in 1949.
Etymology
The term "Hess" is derived from the surname of Walter Rudolf Hess, who made significant contributions to the field of neurology and physiology. The Hess test, named in his honor, is a diagnostic tool used to evaluate the function of the extraocular muscles which control eye movements.
Related Terms
- Extraocular muscles: The muscles that control the movement of the eye and the eyelid.
- Diplopia: Also known as double vision, a condition where a person sees two images of a single object.
- Strabismus: A condition in which the eyes do not properly align with each other when looking at an object.
- Ophthalmology: The branch of medicine that deals with the diagnosis, treatment, and prevention of diseases of the eye and visual system.
Hess Test
The Hess test is a diagnostic procedure used to evaluate the function of the extraocular muscles. It is particularly useful in diagnosing conditions such as strabismus and diplopia. The test involves the use of a special chart, known as a Hess screen, which the patient views with one eye at a time. The patient is then asked to fixate on various points on the chart, and the examiner observes the position of the eyes to assess muscle function.
See Also
External links
- Medical encyclopedia article on Hess
- Wikipedia's article - Hess
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