Keratectasia

Labelled Diagram of the Eye

Labelled diagram of the structure of the retina

Keratectasia is also sometimes known as kerectasia and as corneal ectasia.

(That this term concerns the cornea of the eye is indicated by the prefix "kerat-" which refers to the cornea of the eye).


Keratectasia is the abnormal bulging of the cornea of the eye at the site of scar tissue, which is thinner than normal corneal tissue.

Other definitions of keratectasia indicate that it is simply "a thinning and herniation of the cornea".

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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