This reminds me of a project someone did where they wore glasses that flipped everything upside down, and then separately left to right. Generally it took them

This reminds me of a project someone did where they wore glasses that flipped everything upside down, and then separately left to right. Generally it took them about a week before their brain just interpreted everything correctly again, and it was like looking without the glasses. When they flipped it diagonally though it was three weeks and still hadn't "fixed" it, and they had other stuff to do so they had to abandon it.