I have bad nearsightedness, and anecdotally if I go without my glasses for awhile, such as when swimming at the beach, my eyesight has improved somewhat by the

I have bad nearsightedness, and anecdotally if I go without my glasses for awhile, such as when swimming at the beach, my eyesight has improved somewhat by the end of the day. I think it is a combination between using my eye muscles more effectively and learning to better infer what the blobs are.