Bitot's spots
(medicine) The silver-gray, shiny, triangular spots on the cornea characteristic of xerosis conjunctivae.
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(medicine) The silver-gray, shiny, triangular spots on the cornea characteristic of xerosis conjunctivae.
Irregularly shaped foam-like plaques on the conjunctiva of the eye, characteristically seen in vitamin A deficiency, but not considered to be a diagnostic sign without other evidence of deficiency.
Small grayish foamy triangular deposits on the conjunctiva adjacent to the cornea in the area of the palpebral fissure, associated with vitamin A deficiency.
| ICD-10 | E50.1 |
|---|---|
| ICD-9 | 264.1 |
Bitot's spots are the buildup of keratin debris located superficially in the conjunctiva, which are oval, triangular or irregular in shape. It is a sign of vitamin A deficiency and is associated with night blindness. In ancient Egypt, this was treated with animal liver.
| Nutritional pathology (E40-68, 260-269) | |
|---|---|
| Malnutrition | Kwashiorkor - Marasmus |
| Other underconsumption | B
vitamins: B1: Beriberi/Wernicke's
encephalopathy, B2: Ariboflavinosis, B3: Pellagra, B7: Biotin deficiency, B9: Folate deficiency, B12: Vitamin B12 deficiency other vitamins: A: Vitamin A
deficiency/Bitot's spots, C: Scurvy, D: Rickets/Osteomalacia |
| Hyperalimentation | Obesity - Hypervitaminosis A - Hypervitaminosis D |
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