If you focus on your fingertip and bring it toward your eyes until they almost cross, you will actually feel the muscles that control eye movement working harder as your fingertip gets closer through a process known as
A)habituation.
B)linear perspective.
C)convergence.
D)overlap.

Question

Quizplus · Accepted Answer

Convergence is the process where the eye muscles adjust to maintain focus on an object as it moves closer or farther away. This involves the eyes moving toward each other (converging) as objects come closer, which is why you feel the muscles working harder.

If You Focus on Your Fingertip and Bring It Toward