This means the information that photoreceptors collect will vary over time

This means the information that photoreceptors collect will vary over time,as will the quality of the image.In darkness, trying to detect the sparse scattering of randomly arriving photons is too difficult for the eyes of most daytime animals. But for night creatures, it's just a matter of adaptation.One of these adaptations is size. Take the tarsier, whose eyeballs are each as big as its brain, giving it the biggest eyes compared to head size of all mammals.