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Hi Philip,
>(snip)
> Cordain et al found that chronically high blood sugar is a
> factor contributing to nearsightedness by causing excessive
> growth in the vitreal chamber growth. Perhaps the Paleo
> vision improvement occurs in part because of a reduction in
> blood sugar spikes that reduces insulin level spikes, which
> then somehow reverses some of the vitreal chamber growth. How
> this reversal would occur I don't know.
If memory serves, that work was done in infants and may not apply to adults.
Nonetheless, as you mention, uncontrolled blood sugar in diabetic patients
can lead to blindness.
> (snip)
> Nutrients and antioxidants have also been reported to improve
> vision or slow eye degeneration. The improved nutrition and
> antioxidant levels of the Paleo diet and the improved
> absorption of nutrients that result from it could result in
> vision improvements.
I suspect that vitamin A status plays a huge part in improving night vision.
I experienced improved night vision status when I began a gluten-free diet
that was still very high in carbs.
Best Wishes,
Ron
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