The term hardware refers to the physical components that make up a computer. These components may be mechanical, electrical, electronic or magnetic. The term may also be used to....
Causes and symptoms. The early symptoms of trachoma include the development of follicles (small sacs) on the conjunctivae of the upper eyelids; pain ; swollen eyelids; discharge; tearing; and sensitivity to light.
The cause. Trachoma is caused by an organism called Chlamydia trachomatis. Through the discharge from an infected child's eyes, trachoma is passed on by hands, on clothing, or by flies that land on the face of the infected child.he disease and how it affects people. Trachoma is an infection of the eyes that may result in blindness after repeated re-infections.