(a) Draw a labelled diagram of the human eye. Label the following parts on this diagram: Cornea, Iris, Pupil, Ciliary muscles, Eye-lens, Retina, Optic nerve and Blind spot.
(b) What are the functions of the following parts of the eye?
(i) Iris (ii) Eye-lens (iii) Ciliary muscles (iv) Retina (v) Optic nerve
Which part of the eye is grafted in a needy patient from a donated eye ? (a) Conjunctiva (b) Cornea (c) Choroid (d) Ciliary muscles
Contraction of the ciliary muscles ____ the focal length of the eye lens.