I just spent some time in an area with lots of cows… I ended up looking out for #2 a lot.

Well yeah, those are for superheroes only. If you don’t have a suit you’re not a superhero.

For that I’d go with an opticians, my dad had issues with his from Zenni because they didn’t get the lenses quite right. He did have issues with his eyes though that required some complex glasswork though, so that could have contributed.

But what happens if you have a weak ox or a really fast ox? Then the distance would change, affecting the area, no?