Question #8cb67

1 Answer

1.Iris controls size of pupil to control amount of light entering eye.
2.Eye lens focuses light (coming from an object)over retina.
3.Cilliary muscles change thickness of eye lenses allowing it to focus distant as well as nearer objects over retina.
4.Retina forms a screen for image formation and generates electrical impulses using cones and rods.
5.Optic nerve take electrical impulses created by retina to brain.