The lens of the eye is normally transparent, allowing light through to the retina in back of the eye. A cataract causes the lens of the eye to become cloudy or opaque, decreasing or eventually blocking light to the retina, causing impaired vision and eventually blindness. Cataracts can be hereditary or caused by disease such […]
Lemurs are primates and are playful, cute and very intelligent. Their native habitat is the island of Madagascar. Lemurs have long, bushy tails which they use for balance and to communicate with each other. Their tails are ringed black and white. The body is gray, muzzles are black. They also have opposable thumbs and long […]