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Chemosis is the swelling (or edema) of the conjunctiva. The term derives from the Greek words cheme and -osis, cheme meaning cockleshell due to the swollen conjunctiva resembling it, and -osis meaning condition. [1] The swelling is due to the oozing of exudate from abnormally permeable capillaries. In general, chemosis is a nonspecific sign of ...
Conjunctival suffusion is an eye finding occurring early in leptospirosis, which is caused by Leptospira interrogans. Conjunctival suffusion is characterized by redness of the conjunctiva that resembles conjunctivitis , but it does not involve inflammatory exudates. [ 1 ]
Extensive conjunctival injection, which is an enlargement of conjunctival vessels, and conjunctival chemosis, which is the swelling of the tissues that lines the eyelids and surface of the eye. There is also a mild reaction to the anterior chamber of the eye and there can be decreased vision.
The bulbar conjunctival microvasculature is known to dilate in response to several stimuli and external conditions, including allergens (e.g. pollen), [32] temperature, [33] time-of-day, [33] contact-lens wear, [13] and acute mild hypoxia. [24] Bulbar conjunctival vasodilation has also been shown to correlate changes in emotional state. [34]
A red eye is an eye that appears red due to illness or injury.It is usually injection and prominence of the superficial blood vessels of the conjunctiva, which may be caused by disorders of these or adjacent structures.
Blepharokeratoconjunctivitis is the combination of conjunctivitis with blepharitis and keratitis. It is clinically defined by changes of the lid margin, meibomian gland dysfunction, redness of the eye, conjunctival chemosis and inflammation of the cornea. [34]
Schematic diagram of the human eye showing. Subconjunctival injection is a type of periocular route of injection for ocular drug administration by administration of a medication either under the conjunctiva or underneath the conjunctiva lining the eyelid.
Single injection of ceftriaxone IM or IV should be given to infants born to mothers with untreated gonococcal infection. Curative treatment as a rule, conjunctival cytology samples and culture sensitivity swabs should be taken before starting treatment. Chemical ophthalmia neonatorum is a self-limiting condition and does not require any treatment.