Orbiculus Ciliaris

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The Orbiculus Ciliaris is an older (now lesser-used) name for the ciliary ring which is located in each eye in the human body. This is one of the three "zones" of the ciliary body (connecting the choroid with the iris).

The ciliary ring (or "orbiculus ciliaris") is an area approx. 4 mm wide in which the ciliary body is connected to the anterior (front) part of the choroid.

This is primarily a connecting component and as such does not have as active a role as the ciliary muscle, for example.

The subject of visual (also known as "physiological") optics is a key component of many courses within the fields of both biology and physics. It is also an essential consideration in the design of displays and control units used in many applications from televisions and mobile telephones to advanced aircraft. In the context of engineering "visual optics" is one of several medical and psychological topics in the important area of "Human Factors".

For more information about the nervous system visit:
*_ Components of the Central Nervous System,
*_ The Pathway of a Nerve Impulse,
*_ Structures and Functions of Neurones,
*_ Diseases and Disorders of the Nervous System.

 

Diagram of the Eye

Clinical Anatomy of the Eye


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