Provisine supplement are very good for nerve cells..and no doubt our eyes are part of our brain only.but, eye power is generally due to change in the shape of eyeball.eye defects are generally of three types and further they have some more elaborate classifications also.that could be corrected either through surgery or if the positive and negative power balances each other(this happened with my cousin).
Get More Info: https://w3times.com/health/provisine-tips-to-improve-eye-health-and-prevent-eye-problems-naturally/