Medical Definition of Snellen chart. : the chart used in the snellen test with black letters of various sizes against a white background.
The circumcenter, the incenter is the point of concurrency of the angle bisectors of a triangle.
More About Perpendicular Bisector. 1  A perpendicular bisector divides a line segment into two equal segments. 2  The intersecting point of the three perpendicular bisectors of a triangle is called circumcenter.