Progressive Retinal Atrophy
General information on Progressive Retinal Atrophy
Progressive Retinal Atrophy is the degeneration of the retinal cells. The retina receives light and transmits light through the optic nerve which sends it to the brain where it is then translated into an image. When the retinal cells are damaged, the image seen may be blurred or parts may not be seen at all and eventually a cat will go blind. In progressive retinal atrophy, this process happens over a long period of time.
Symptoms of Progressive Retinal Atrophy
Some symptoms that may be seen are loss of vision, dilated pupils, or papillary light reflexes. The first symptom noticed may be nyctalopia which is the loss of night vision. When this happens you may notice that your cat doesn’t jump on or off of furniture at night and they are hesitant to go outside at night. Other symptoms such as the blood vessels in the eye getting smaller, a decrease in pigmentation, thinning of the retina causing an increase of light being reflected off of the tapetum, a few others may be noticed when an eye is examined with a fundoscopy.
Treatments for Progressive Retinal Atrophy
Unfortunately for progressive retinal atrophy has no treatment. Eventually the cat will go blind.
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