Pupil Eye Diagram. National eye health education program of the national eye institute national institutes of health subject. The amount of light entering the eye is controlled by a reflex action.
In this resource youll find a 2 page pdf that is easy to download print out and use immediately with your class. One is a view from the outside and the other is a more detailed cross section. The eye is part of the sensory nervous system.
Vision and eye diagram how we see parts of the eye muscle and nerve medical illustration.
Eye diagram handout author. The eyes crystalline lens is located directly behind the pupil and further focuses light. Pupil iris 1 2 3 which row shows the size of the pupil of the eye in each light condition. Using a camera analogy the pupil is the eye aperture and the iris is the diaphragm that controls the aperture size.