The eye creates images of objects from that part of space from which light can reach it.
If the eye is at rest, that part of the space is called the visual field of the resting eye. The best visibility is in the area of the 30 arcmin aperture cone. Due to the high mobility of the eye in the eye cavity, it can cover a large amount of space in the horizontal plane, and the included angle is 260 o .
Author:
prof. Emil Šatalić
