3 or 4 days,when they feel like it!! remember this slogan "dogs have masters, Cats have slaves! They will open their eyes when they have YOU in their power!
Sometimes when its around 2 weeks old. It may be 3 weeks for some;But most of them will open there eyes when there about 2 weeks old.
6 weeks
Newborn puppies are born with their eyes closed, and their vision develops gradually over the first few weeks of life. Most puppies start to open their eyes when they are around 10-14 days old, but their vision is not fully developed until they are around 8 weeks old.
They open their eyes at about 2 weeks old.
Kittens eyes are closed around a week, longest nearer two weeks. If they are closed longer you should maybe have a vet check it out.
It takes about 2-3 weeks for newborn puppies to open their eyes.
Newborn kittens will look like mice without the big ears and the tail. The kittens are around 2 to 2 1/2 inches long and will have a bit of fur if they are a few days old. When kittens are just just born they will have to fur at all and will be all wrinkled. Their eyes will be closed and they will not walk around. They will need to be with their mom all the time until they are around 2 weeks old. they will open their eyes when they are bigger
A newborn hamster is smaller than a newborn rat. Hamsters are typically 2-3 inches long at birth, whereas rats are around 4-5 inches long. Additionally, hamster pups are born hairless and blind, while rat pups are born with fur and their eyes closed.
Newborn squirrels typically open their eyes when they are around 4-5 weeks old. At this age, their eyesight is still developing, and they will gradually become more aware of their surroundings as they grow.
When people keep their eyes closed for a long time, the muscles in their eyes can become tired and strained from not moving or focusing. This can lead to discomfort and eye strain.
aprx two weeks after they are born they open their eyes
I have seen puppies at two days old with open eyes however average time is 7 days it so.