Figure 3.5 Find Your Blind Spots To find the blind spot in your left eye, hold the book at arm’s length in front of you, close your right eye and stare at the orange on the right with your left eye, and keep staring at the orange while you move the book slowly toward you. The apple should disappear when it falls on the blind spot in your left eye, somewhere between 6 to 12 inches from your eye. To find the blind spot in your right eye, this time close the left eye and stare at the apple on the left with your right eye as you move the book slowly toward you. This time the orange should disappear when it falls upon the blind spot in your right eye.