chemosis

chemosis2016-11-12T02:57:24+00:00

chemosis

OPHTHALMOLOGY

The formal term for oedema of bulbar conjunctiva around the iris caused by exudation from abnormally permeable capillaries. Chemosis is a nonspecific sign of conjunctival irritation, most commonly due to allergies and ocular infection. 

Differential diagnosis, chemosis

Allergies

• Angioedema

• Urticaria

Endocrine 

• Hyperthyroidism

Inflammation/infection

• Gonorrhoeal conjunctivitis

• Trichinosis

Neurology

• Cluster headache

Ophthalmology

• Acute glaucoma

• Panophthalmitis

• Orbital cellulitis

• Dacryocystitis

Systemic disease

• Systemic lupus erythematosus

Vascular

• Carotid-cavernous fistula

• Superior vena cava obstruction 

Synonyms Fluid-filled conjunctiva, swelling of conjunctiva, swollen conjunctiva, swollen eye. 

Reference https://en.wikipedia.org/wiki/Chemosis

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