Spring is the time of year when the department gets the most calls regarding supposedly abandoned or orphaned animals. As biologists have learned, usually these animals arenât orphaned at all. Often, overeager individuals ârescueâ the animal while the mother is foraging. The walrus pup before transport to Sea World.
Nuclear Sclerotic Cataracts. This is the most common type of age-related cataract, caused primarily by the hardening and yellowing of the lens over time. Nuclear refers to the gradual clouding of the central portion of the lens, called the nucleus; sclerotic refers to the hardening, or sclerosis, of the lens nucleus.
April 23, 2013. Nuclear sclerosis is the cloudiness of the eye lens that affects many animals and some humans. Animals like cats, dogs and horses are all affected by this eye condition. It is a result of aging process of the lens. The nucleus, which is the central part of the lens gets dense and looks like a grey haze inside the eye.