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Canine cataracts are a prevalent cause of visual loss in dogs, frequently resulting in blindness. Cataracts typically occur when proteins break down in the lens of a dog's eye and clump together, obstructing the passage of light. [1] [2] There are several reasons cataracts may occur in dogs, such as heredity, trauma, aging, diabetes, glaucoma ...
Progressive retinal atrophy (PRA) is a group of genetic diseases seen in certain breeds of dogs and, more rarely, cats. Similar to retinitis pigmentosa in humans, [1] it is characterized by the bilateral degeneration of the retina, causing progressive vision loss culminating in blindness.
Cataracts can be developed through old age, diseases or trauma to the eye. [5] Some animals that are prone to the development of cataracts are dogs, elephants, horses, pandas and seals. Cataracts are less common in cats [6] in comparison to dogs, where it is fairly common. Just like with humans, cataract extraction surgery can be performed on ...
It is the cause of approximately 5% of blindness in the United States and nearly 60% of blindness in parts of Africa and South America. [12] Blindness from cataracts occurs in about 10 to 40 per 100,000 children in the developing world , and 1 to 4 per 100,000 children in the developed world . [ 7 ]
At some point—usually as you enter middle age—most people develop this eye condition, which is a clouding of the eye’s lens that can get progressively worse and impair your vision.
If untreated, it can cause blindness. This condition can be fixed by surgery—"tacking" up the eyelids so they will not roll onto the eyeball for puppies, or surgically removing extra skin in adolescent and older shar peis. [17] Vitamin B12 deficiency is a common problem in the Shar Pei and is suspected to be hereditary. [18] [19]