far point (of the eye)
In ophthalmology and optics, the farthest point at which the eye can focus clearly without accommodation. Often contrasted with 近点 (near point).
See also: 近点 (きんてん)
The far point of a nearsighted person is closer than that of a person with normal vision.
apoapsis
In astronomy, the point in an orbit farthest from the central body. The specific term (apogee, aphelion, etc.) depends on the central body. Contrasts with 近点 (periapsis).
See also: 近点 (きんてん)
When a satellite passes through its apoapsis, its speed is slowest.
point at infinity
Compound of 遠 (far) and 点 (point), directly translating the concept of a distant point in optics and astronomy.