the point farthest from the eye at which an object is clearly focused on the retina when accommodation of the eye is completely relaxed.
Origin of far-point
First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
The farthest point at which an object can be seen distinctly by the eye.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.