Bitôt's spots

Alternative eponyms

Synonyms

Xerosis conjunctivae, xerosis corneae.

Related people

Triangular shaped, white or grey cheese like foamy patches or film on the conjunctiva, consisting of keratinized epithelium.

Description

Raised white or grey cheese like foamy patches or film on the conjunctiva, consisting of keratinized epithelium. They are triangular in shape with the base near the limbus and readily dislodged. Seen in vitamin A deficiency which may result in nyctalopia (night blindness) and keratomalacia. Patients with Bitôt’s spots have a constriction of the visual field for red and green.

Bibliography

  • P. A. Bitôt:
    Mémoire sur une lésion conjunctivale non encore décrite, coincident avec l'héméralopie.
    Gazette hebdomadaire de médecine et de chirurgie, Paris, 1863, 10: 284-288.

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