I appreciate the perspective, but near-far-near focusing in sunlight isn't some unusual type of workout. It is how my genus kept their eyes in shape for the las

I appreciate the perspective, but near-far-near focusing in sunlight isn't some unusual type of workout. It is how my genus kept their eyes in shape for the last few million years and there is pretty comprehensive evidence that a lack thereof is the main cause of myopia's increasing prevalence. In light of that, I'll stick to what I'm doing.