Paraxial region | definition of paraxial region by Medical dictionary
The hypothetical cylindrical narrow space surrounding the optical axis within which rays of light are still considered paraxial. Syn. gaussian space. See paraxial ray; gaussian theory.
References in periodicals archive
However, their descriptive capability is still restricted to the paraxial region
They arise in the ovary but can be located at the midline and in paraxial regions
of the body and unusual locations, including lungs or ilea, were described .