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 disease and how it affects people. Trachoma is an infection of the eyes that may result in blindness after repeated re-infections.It is the world's leading cause of preventable blindness and occurs where people live in overcrowded conditions with limited access to water and health care.he disease and how it affects people. Trachoma is an infection of the eyes that may result in blindness after repeated re-infections.