What is the condition called that results in age-related farsightedness?

The condition that results in age-related farsightedness is called presbyopia. This is a natural part of the aging process that typically starts to become noticeable in the early to mid-40s. Presbyopia occurs as the eye's lens becomes less flexible, making it more difficult to focus on close objects.

Unlike other refractive errors such as astigmatism, which is caused by an irregularly shaped cornea, or myopia, which refers to nearsightedness where close objects are clear but distant ones are blurred, presbyopia specifically relates to the loss of accommodation due to aging.

Hyperopia, on the other hand, is a condition where distant objects may be seen more clearly than close ones, but it can be present at any age and is not specifically age-related. Thus, presbyopia is correctly identified as the condition associated with age-related changes in vision.