No humans can not have back eyes . Only blue , brown , and green. Iris atrophy, a rare condition, will leave some people with a lack of irises, which will give the impression of black eyes.
My friend dose have black eyes. Some have green eyes,blue, brown, but he has black.
No humans do not have biggest eyes, Giant Squid have biggest eyes in the world.
Humans see with their eyes
Most of the time. I newborn vampire has bloodred eyes, one because they are new and two because they haven't fed. If they are older than a year and they have red eyes then, yes it means they hunt humans. gold eyes= hunts animals crisom= hunts humans and animals black= haven't hunted and thirsty red eyes= newborn or hunts humans any strange color such as violet= red eyes and wears blue contacts
Most people have blue or brown eyes, but some people do have eyes that are a greyish color. People whose eyes are grey have eyes that look perfectly normal, except the iris is a different color from what the majority have.
the eyes are the same as humans
Humans have in fact two eyes.
Two(2) a left and a right.
Humans have three types of cones in their eyes, which are responsible for color vision.
* * *
Humans have three types of cones in their eyes, which are responsible for color vision.
Dogs have fewer color-detecting cells in their eyes compared to humans, so they perceive the world in shades of gray. This lack of color vision is due to the types of cones in their eyes - they have more rods (which detect light intensity) and fewer cones (which detect color) than humans.