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Optic neuropathy in vitamin B12 deficiency
Sai H Chavala1, Gregory S Kosmorsky, Mina K Lee
1Department of Ophthalmology, Cole Eye Institute/Desk I-32, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
European Journal of Internal Medicine
|October 4, 2005
Summary
Vitamin B12 deficiency can cause vision loss through optic neuropathy. Prompt diagnosis and treatment with vitamin B12 can restore vision, highlighting its importance in neurological and ophthalmological care.
Area of Science:
- Neurology
- Ophthalmology
- Nutritional Science
Background:
- Vitamin B12 deficiency presents with diverse neurological symptoms.
- Optic neuropathy is an uncommon yet significant manifestation.
- Risk factors include malnutrition and malabsorption.
Purpose of the Study:
- To report a case of vitamin B12 optic neuropathy.
- To emphasize the diagnostic importance of vitamin B12 levels in vision loss.
- To highlight the treatability and reversibility of this condition.
Main Methods:
- Case presentation of a 68-year-old male with bilateral decreased central vision.
- Diagnostic workup including vitamin B12 level assessment.
- Treatment with parenteral vitamin B12 supplementation.
Main Results:
- The patient presented with symptoms consistent with optic neuropathy.
- Low vitamin B12 levels were confirmed.
- Vision improved significantly after several months of vitamin B12 therapy.
Conclusions:
- Vitamin B12 optic neuropathy is a treatable cause of vision loss.
- Early detection and supplementation are crucial for visual recovery.
- This condition can indicate broader vitamin B12 deficiency complications.