What term is used to describe the maximum distance at which the fully relaxed eye can focus? ocular position critical position principal focal point near point far point?

The Far point of the eye is used to describe the farthest object on which the fully relaxed eye can focus. For a healthy eye, the far point is located at myopia, which lies a finite distance in front of the eye. 

In addition, in farsighted eye, the eyeball is too short or the cornea is not curved enough, and the image of an infinitely distant object is behind the retina and the hyperopic eye produces not enough convergence.

a progressive heart disease that affects pumping action of the heart muscles.