The leading cause of blindness is diabeties, the next is cataracts. Animals are as susectable to both conditions as humans are.
Yes, bears have eyesight comparable to a human's. They are able to see in color and can see well underwater.
Yes, Crows have very good vision. They have considerably better eye sight than most other Birds, as they can see a wide range of colours and hues from very far away, leaving them with the ability to pinpoint things from far away, hope I helped!
Many animals can prance. Prancing is springing on the hind legs to move forward like a horse usually does.
the answer to this very cool question is yes
To an extent, yes. Animals lose some of their ability to effectively hunt, but not to necessarily kill. Animals learn hunting strategies from members of the family or by watching others. Some even learn just by doing it. In captivity, animals dont need to use those skills. If an animal were being rehabilitated, the people running the camps would try and make it as "natural" as possible for the animal.
Yes
they have VERY good eye sight
The eye is the organ of sight.
Yes, they do.
Yes
yes if you pour salt into your eye it will effect your eye sight
yes
Yes it certianly does
Yes, daughter and laughter are an eye/sight rhyme.
Yes!
yes x
Yes it can :)