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.
Symptoms. 1  If your pooch develops pannus, you may see the following symptoms: 2  A grayish-pink film on the eye(s) 3  Redness and tearing. 4  Cornea pigmentation (dark brown) 5  Opacity of cornea.