However, new research has found that low blood sugar may also contribute ... They found that low blood sugar, or hypoglycemia, resulted in an accumulation of hypoxia-inducible factor-1⍺ (HIF-1⍺) and HIF-2⍺.
Scientists say they have determined that low blood sugar, or hypoglycemia, may promote a breakdown of the blood-retinal barrier, an important boundary that regulates the flow of nutrients, waste and water in and out of the retina ... .