The typical length of a human eyeball is 1.7 cm.What is the effective focal length of the two lens system made from a normal person's cornea and lens when viewing objects very far away?
A)1.6 cm
B)1.7 cm
C)2.9 cm
D)3.4 cm
E)25 cm

Question

Quizplus · Accepted Answer

The effective focal length of the eye when viewing distant objects is approximately equal to the length of the eyeball, which is 1.7 cm in this case.

The Typical Length of a Human Eyeball Is 1