Abstract Introduction Can vitamin B12 and folate deficiency cause central retinal vein occlusion. We conducted a literature search to find out whether nutritional deficiency of vitamin B12 and folate can lead to impaired vision. Case presentation The patient in the article presented in an eye-casualty department in the North East of England with gradual painless visual loss over six w... https://leoners.shop/product-category/ceiling-mount-light/