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inflammation of the conjunctiva; it may be caused by bacteria or a virus, or by allergic, chemical, or physical factors. Its infectious form (of bacterial or viral origin) is highly contagious. See also pinkeye.
acute contagious conjunctivitis a contagious inflammation of the conjunctiva caused by Haemophilus aegypticus; secretions must be handled with extreme care to prevent its spread. Popularly known as pinkeye.
acute hemorrhagic conjunctivitis a highly contagious form due to infection with enteroviruses.
gonococcal conjunctivitis (gonorrheal conjunctivitis) a severe form caused by infection with gonococci, marked by greatly swollen conjunctivae and eyelids with a profuse purulent discharge. In newborns it is bilateral, acquired from an infected maternal vaginal passage. In adults it is usually unilateral and is acquired by autoinoculation into the eye of other gonococcal infections, such as urethritis, either in oneself or in another person. Called also gonorrheal ophthalmia.
inclusion conjunctivitis a type of conjunctivitis primarily affecting newborn infants, caused by a strain of Chlamydia trachomatis, beginning as an acute purulent form and leading to papillary hypertrophy of the palpebral conjunctiva.
neonatal conjunctivitis ophthalmia neonatorum.

a·cute con·ta·gious con·junc·ti·vi·tis

an obsolete term for an acute conjunctivitis marked by intense hyperemia and profuse mucopurulent discharge.




An acute, very contagious form of conjunctivitis, caused by the hemophilic bacterium Hemophilus aegyptius and marked by thick secretions.


Veterinary medicine
A highly contagious pinkeye-like keratoconjunctivitis that affects cattle, caused by Moraxella bovis, an obligate intracellular, gram-negative aerobic bacillus, which is spread by direct contact or via the common fly.
Clinical findings
Purulent conjunctivitis, oedema, corneal opacity and ulceration, loss of appetite, weight loss.
Long-acting antibiotics—e.g., tetracycline.


Conjunctivitis Ophthalmology Acute contagious conjunctivitis by Haemophilus aegyptius or H ducreyi; 'pinkeye' has been obfuscated by the lay public, which may use the term for any condition in which the eyes are pink–eg, bilateral bacterial or viral conjunctivitis, 'misuse' of eyes–ie, prolonged exposure to smoky rooms, alcoholism, dissipated lifestyle, severe iritis, closed angle glaucoma, etc. See Red eye.


3. In horses, a form of equine viral arteritis.

Patient discussion about pinkeye

Q. How to treat a pink eye? I have pink eye in my left eye. It's very uncomfortable, how can I treat it?

A. Here is a link to a website which describes a home treatment for pink eye:

More discussions about pinkeye
References in periodicals archive ?
isolated Coxsackievirus A24 as the second most common viral agent following adenoviruses for acute conjunctivitis, but no Enterovirus 70 was isolated.
(4,10) In this study, we collected both conjunctiva and pharynx samples from patients with acute conjunctivitis and used the PCR method for identification of viral agents.
urealyticum-induced chronic conjunctival inflammation were completely masked by DED symptoms and differed from manifestations of acute conjunctivitis (acute conjunctivitis was an exclusion criterion for enrollment).
today announces its United States (US) launch of AdenoPlus , the first and only FDA-cleared, CLIA-waived, rapid point-of-care diagnostic test that aids in the differential diagnosis of acute conjunctivitis. AdenoPlus is Nicox s first product launch since it announced its strategy of becoming an international, late-stage development and commercial ophthalmic business, reflected by a new visual identity also unveiled today.
AdenoPlus accurately detects adenovirus, which accounts for up to 90% of all viral conjunctivitis, and approximately one out of four cases of acute conjunctivitis seen by eyecare practitioners.
The leader of this latest study, Dr Peter Rose (pictured right), was the author of a report published in The Lancet in 2005 which looked at the treatment of a cohort of 300 children with acute conjunctivitis, half of whom were prescribed chloramphenicol and half prescribed a placebo.
* BACKGROUND Acute conjunctivitis (pinkeye) accounts for 1% to 4% of primary care office visits.
Acute conjunctivitis with episcleritis and anterior uveitis linked to adiaspiromycosis and fresh-water sponges, Amazon region, Brazil, 2005.
tried to isolate the virus from patients with acute conjunctivitis in Busan between April and August 1983.
Acute conjunctivitis can be caused by viruses including emerovirus 70 (EV-70), coxsackievirus A24, and epidemic adenoviruses.

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