The answer to this question comes in two parts: yes, cats love the dark, so you don't need to leave the light on for them. But no, they don't have superhero-like night vision.

Is it OK to leave cats in the dark?

Turning out the lights when you leave the house can be a good habit to have from an economic standpoint, but leaving your cat in complete darkness can actually be very stressful for them.

Do cats like being in dark places?

Cats prefer low lighting or dark places because their eye structure differs greatly from our own. The biggest difference between human vision and cat vision is in the retina. Cats have a low concentration of cone receptors with a high concentration of rod receptors. Humans are the complete opposite.