Working of Human eye
Human eye consists of various parts which helps us in seeing the objects, the function of various parts are:
(a) Cornea: It is the transparent membrane which refracts the light entering our eye.
(b) Iris: Iris controls the size of pupil.
(c) Pupil: It allows the light entering our eye to pass through it.
(d) Lens: Adjusts the focal length of the eye to see the objects at different places.
(e) Ciliary muscles: Helps in changing the focal length of the lens.
(f) Retina: It is the screen of the eye on which image is formed. It consists of rods and cones.
(g) Optic nerve: It carries the electrical signals from retina to brain.
