Also, we need the light to be bright enough to see things. Brightness Nocturnal animals, such as owls do not need much light to see at night. On the other hand, they cannot see well in bright sunlight. Humans are just the opposite. Our eyes need more light to see.
Some people can see better at night than others.
Apparently, a lack of vitamin A can affect ability to see at night. Of course, there is a limit to the brightness allowed. Looking directly at the sun can injure your eyes. But if you study wave theory of light, you will know that visible light is just a small portion of the electromagnetic spectrum. There are animals that detect electromagnetic radiation beyond the limitations of the human eyes, and there are physical detectors that go even beyond what animals can see.