Draw a neat labelled diagram of the structure of the human eye and mention the functions of any four parts.
Draw a neat labelled diagram of the structure of the human eye and mention the functions of any four parts.
Solution
a. Cornea: A thin membrane which covers the eye ball which allows the light to enter and refracts the light to focus it as the crystalline lens.
b. Eye Lens: It is a convex lens made of transparent and flexible jelly like material. Its curvature is adjusted by ciliary muscles.
c. Iris: It controls and regulates the light entering the eye by changing the size of pupil.
d. Pupil: It is a hole in the middle of the iris through which light enters the eye.
