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Normal and pathologic blood values of micronutrients involved in the development of nutritional optic neuropathies.
| Normal | Pathologic | |
|---|---|---|
| Vitamin B12 | 200–900 pmol/L | <150 pmol/L |
| Folate | 3–20 ng/mL | <3 ng/mL |
| Thiamine | 75–195 nmol/L | <75 nmol/L |
| Copper | 70–125 μg/dL | <70 μg/dL |
