Bitot's spots

Labelled Diagram of the Eye

Labelled diagram of the structure of the retina

Bitot's Spots are greyish spots that form on the surface of dry patches of conjunctiva at the sides of the eyes and are named after French Physician, P.A. Bitot (1822-88).

Bitot's Spots consist of fragments of keratinized epithelium. They can be triangular in shape and vary in appearance from "cheesy greyish" to silver-grey and can appear shiny.

A common cause of Bitot's Spots is deficiency of Vitamin A. This condition is more common in developing countries where child nutrition is often poorer than in developed nations. If left undiagnosed and untreated, Bitot's spots may be lead to night blindness, perhaps eventually to xerophthalmia, and in worst cases, blindness.

Bitot's Spots are an example of a medical condition directly associated with malnutrition.

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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