Fill in the following blanks with suitable words:
(a) Most of the refraction of light rays entering the eye occurs at the outer surface of the _______
(b) The part of eye sensitive to light is_______
(c) The part of eye which alters the size of the pupil is_______
(d) When light is dim, the pupil becomes_______
(e) The iris controls the amount of_______entering the eye.
(f) The ciliary muscles control the shape of the _______
(g) To bring light from a distant object to a focus on the retina of the eye, the convex eye-lens needs to be made_______
(h) To bring light from a near object to a focus on the retina of the eye, the convex eye-lens needs to be made_______