Human Pupils Are Round While A Cat's Are Narrow And Vertical.

https://twitterwithbraincells.blogspot.com/2025/01/its-actually-known-as-umwelt.html

In order to help them better see small prey on the ground and predators in the sky.

While all Dogs are short-sighted. They can barely see beyond their own noses.

Not that I'd have the first idea how to administer an eye test to a Dog. I'd assume dissection is required.