An imaginary line joining the optical center of the eye lens and the yellow point is called as

The correct option is B Vision axis
An imaginary line joining the optical center of the eye lens and the yellow point is called as Vision axis.

Vision Axis is the lens meridian that has no cylinder power to correct astigmatism. The axis number helps our eye care provider to know the direction in which they should position a cylindrical power in the lenses of our glass.