Alternative medicine Dietary supplementation with Alpha lipoic acid has been shown to decrease oxidative stress and improve RGC survival in animal models of glaucoma.[ 73 ] The association of Vitamin C with POAG failed to reach statistical significance.[ 74 75 ] Though the current evidence is limited by the smaller sample sizes, unpredictability of visual field tests and short follow up, forskolin containing supplements have shown to decrease IOP beyond the reduction achieved by antiglaucoma medications alone.[ 76 ] Flavanoids like Gingko biloba have been demonstrated to have a positive impact on ocular blood flow though the impact on the preservation of visual fields remains unclear.
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