As dogs enter their senior years, their eyes undergo changes very similar to those in older humans. Tear production decreases in many older canines, especially in certain breeds (e.g. English bulldogs) and in animals with diabetes mellitus or other endocrine diseases. Reduced eye lubrication can eventually cause serious problems with a canine’s eyes. Other aging eye conditions include ulcers, calcium deposits and iris atrophy. Nuclear sclerosis, which is common in dogs older than 7 years old and is often confused for cataracts, presents as a hardening of the lens and causes a cloudy appearance in the center of the eye; however, it’s painless. In senile retinal degeneration, senior canines suffer from impaired vision in dim lighting and a reduction of daytime vision as the disease progresses. Although many of these conditions are common with aging, using antioxidants to support your pet’s ocular health and vision is essential. One of the most powerful antioxidants is astaxanthin, a micro algae that is one of the most powerful carotenoids and a key ingredient in two of our most effective canine and feline products. Vitamins C and E also have antioxidant properties and can benefit an aging dog’s eyes.
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