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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, and progressive retinal atrophy.
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 ...
Canine glaucoma refers to a group of diseases in dogs that affect the optic nerve and involve a loss of retinal ganglion cells in a characteristic pattern. An intraocular pressure greater than 22 mmHg (2.9 kPa) is a significant risk factor for the development of glaucoma.
How to manage glaucoma in dogs, according to a vet. For premium support please call: 800-290-4726 more ways to reach us
The frequency of bilateral glaucoma with a genetic base in purebred dogs is higher than in any species except humans. [24] Cataracts in dogs either have a genetic base or can also be caused by diabetes. Nuclear sclerosis resembles a cataract but is actually a normal age-related change.
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.
Posterior capsular opacification, also known as after-cataract, is a condition in which months or years after successful cataract surgery, vision deteriorates or problems with glare and light scattering recur, usually due to thickening of the back or posterior capsule surrounding the implanted lens, so-called 'posterior lens capsule opacification'.
Image credits: dogswithjobs There’s a popular saying that cats rule the Internet, and research has even found that the 2 million cat videos on YouTube have been watched more than 25 billion ...