1 What the â witness said in court was not â consistent with the â statement he made to the â police. 2  The â members of the â jury â left the court with a â police â escort. 3  He â arrived in court â handcuffed to two â police â officers.
optic axis. 1. a line connecting the center of the anterior curvature of the cornea (anterior pole) with that of the posterior curvature of the sclera (posterior pole). 2. the hypothetical straight line passing through the centers of curvature of the front and back surfaces of a simple lens.
For other uses, see Iris (disambiguation) . The iris (plural: irides or irises) is a thin, circular structure in the eye, responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina.he iris develops from the anterior two layers of an embryonic neuroectoderm structure called the optic cup. The optic cup also produces the iris sphincter and dilator muscles.