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.
Back to TopCauses. Trachoma is caused by infection with the bacteria Chlamydia trachomatis . The condition occurs around the world. It is most often seen in rural areas of developing countries. Children are often affected, but the scarring caused by the infection may not be noticed until later in life.