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Conjunctivitis due to common pus-producing bacteria causes marked grittiness or irritation and a stringy, opaque, greyish or yellowish discharge that may cause the lids to stick together, especially after sleep. Severe crusting of the infected eye and the surrounding skin may also occur.
Types include sympathetic ophthalmia (inflammation of both eyes following trauma to one eye), gonococcal ophthalmia, trachoma or "Egyptian" ophthalmia, ophthalmia neonatorum (a conjunctivitis [3] of the newborn due to either of the two previous pathogens), photophthalmia and actinic conjunctivitis (inflammation resulting from prolonged exposure to ultraviolet rays), and others.
"Conjunctivitis basically means inflammation of the conjunctiva, which is the clear part that covers the white part of the eyes," says Dr. Sumitra Khandelwal, an associate professor of ...
[43] [failed verification] UVC is the highest-energy, most-dangerous type of ultraviolet radiation, and causes adverse effects that can variously be mutagenic or carcinogenic. [44] Despite the importance of the sun to vitamin D synthesis, it is prudent to limit the exposure of skin to UV radiation from sunlight [45] and from tanning beds. [46]
Actinic conjunctivitis is an inflammation of the eye contracted from prolonged exposure to actinic (ultraviolet) rays. Symptoms are redness and swelling of the eyes. Most often the condition is caused by prolonged exposure to Klieg lights, therapeutic lamps or acetylene torches. Other names for the condition include Klieg conjunctivitis ...
The two most common infectious causes of neonatal conjunctivitis are N. gonorrheae and Chlamydia, typically acquired from the birth canal during delivery. However, other different bacteria and viruses can be the cause, including herpes simplex virus (HSV 2), Staphylococcus aureus, Streptococcus pyogenes, and Streptococcus pneumoniae. [citation ...
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- Infectious conjunctivitis is usually caused by bacteria or viruses. Fungi, parasites, and chlamydia may also be a cause of infectious conjunctivitis. - Noninfectious conjunctivitis is usually caused by allergies or mechanical irritants.—The preceding unsigned comment was added by 67.182.237.9 (talk • contribs) 01:23, 23 February 2006 (UTC).