Labelled Diagram of the Eye

Labelled diagram of the structure of the retina

Keratomalacia is a progressive nutritional disease of the eye, due to insufficent (i.e. a deficiency of) vitamin A.

(That this term concerns effects on the cornea of the eye is indicated by the prefix "kerat-" which refers to the cornea of the eye, and also applies to other terms in this section - as listed on the left).

Keratomalacia may follow from untreated xerophthalmia (also described as "a progressive nutritional disease of the eye due to deficiency of vitamin A" but additionally involving very dry eyes, and generally the stage prior to, but which sometimes lead to , keratomalacia).

Progression of keratomalacia involves the cornea of the eye becoming soft, and in some cases also perforated.

This is a very serious condition than may lead to blindness.

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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