Chemosis

Labelled Diagram of the Eye

Labelled diagram of the structure of the retina

Chemosis is a word that refers to swelling (oedema) of the conjunctiva of the eye.

If the conjunctiva becomes very swollen, the affected eye or eyes might not close properly.

Possible causes include inflammation (inflammation of the conjuctiva is called conjunctivitis) which is the most common, or blockages obstructing drainage of blood or lymph from around the eye. It can also be caused or exaccerbated by allergic reaction, viral infection, or excessive rubbing of the affected eye or eyes.

More about Ophthalmology:

This section includes short definitions of many diseases, disorders, and conditions of the eyes and visual system.
For definitions of other terms in this category, choose from the list to the left (but note that this is not a complete/exhaustive list).

Other related pages include

For further information see also our pages of books about ophthalmology.

The following books may also be of interest:

The Aging Eye (Harvard Medical School)
MCQ Companion to the Eye (Textbook)
The Secret of Perfect Vision: How You Can Prevent and Reverse Nearsightedness
What Your Doctor May Not Tell You About(TM) Glaucoma: The Essential Treatments and Advances That Could Save Your Sight

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