Night blindness (nyctalopia) refers to considerable difficulty seeing in poor light conditions. Night blindness is not a condition itself but rather a symptom of other types of vision conditions.

Night blindness, also known as nyctalopia, doesn’t mean you’re truly blind. But having this condition does mean you may have difficulty with tasks such as driving at night or moving around your house ...

Animals renowned for their outstanding night vision include owls, cats, tarsiers (a tiny primate in Southeast Asia) — and even the dung beetle. But humans? Not so much. Over time, many people suffer ...