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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 ...
Conjunctivitis is the most common eye disease. [45] Rates of disease is related to the underlying cause which varies by the age as well as the time of year. Acute conjunctivitis is most frequently found in infants, school-age children and the elderly. [18] The most common cause of infectious conjunctivitis is viral conjunctivitis. [26]
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]
Cycatricial ectropion – closed eyes. Ectropion is a medical condition in which the lower eyelid turns outwards. [1] It is one of the notable aspects of newborns exhibiting congenital harlequin-type ichthyosis, but ectropion can occur due to any weakening of tissue of the lower eyelid.
Keratoconjunctivitis is frequently caused by viral infections in and around the eyes. A particularly common cause of this is the herpes simplex virus.In some people, the infection may become chronic and keratoconjunctivitis may present during flare-ups of variable frequency.
Orbital cellulitis commonly presents with painful eye movement, sudden vision loss, chemosis, bulging of the infected eye, and limited eye movement.Along with these symptoms, patients typically have redness and swelling of the eyelid, pain, discharge, inability to open the eye, occasional fever and lethargy.
[2] [3] [4] Chronic conjunctivitis such as from tobacco smoke exposure or infection may also lead to the condition. [2] Diagnosis is mostly based on the symptoms, though a number of other tests may be used. [8] Dry eye syndrome occasionally makes wearing contact lenses impossible. [2] Treatment depends on the underlying cause.
Acute hemorrhagic conjunctivitis (AHC) (also spelled acute haemorrhagic conjunctivitis) is a derivative of the highly contagious conjunctivitis virus, [1] otherwise known as pink eye. Symptoms include excessively red, swollen eyes as well as subconjunctival hemorrhaging. Currently, there is no known treatment and patients are required to merely ...