Bacteria and viruses can infect the conjunctiva. Redness and tearing or discharge are common symptoms, and some people have sensitivity to light. Good hygiene helps prevent the infection from spreading to the other eye or to someone else's eye. Antibiotic eye drops are often given.
Cartilage and Adipose. Cartilage. Cartilage is a specialized connective tissue that provides for both strength and flexibility. It is mainly found in the form of hyaline cartilage (hyalos means glass in Greek), which is so named because of its smooth, glassy bluish-white appearance when fresh.
Sinusitis is an inflammation, thickening, and swelling of the normal tissue called mucosa, which lines all the sinuses. This same type of tissue lines all the passages of your nose as well as the small channels which connect the nose and sinuses. These channels, or ostiomeatal complex, which is pictured above with the gray shading, can become blocked by swollen tissue.