Write a note on ‘The Human Eye’
Eye is a sense organ that enables us to see the world around us. It is roughly spherical in shapeThe first part that is bulged outward is called ‘cornea. It protects the eye. Behind the cornea, the coloured part of the eye, iris is present. It controls the size of the pupil. Pupil is a small opening in the cornea which allows the light to enter the eye. Behind the iris, eye lens is present which is a convex lens. It focus the image on retina, by bending the light rays. Retina is the inner back surface of the eye which acts as a screen to form image. It is sensitive to light. The sensation of the image formed on the retina is carried to the brain by the optic nerve. Optic nerve is connection between the eye
