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Horizontal optokinetic nystagmus. The optokinetic reflex ( OKR ), also referred to as the optokinetic response, or optokinetic nystagmus (OKN), is a compensatory reflex that supports visual image stabilization. [ 1] The purpose of OKR is to prevent image blur on the retina that would otherwise occur when an animal moves its head or navigates ...
Nystagmus. Nystagmus is a condition of involuntary (or voluntary, in some cases) [1] eye movement. [2] People can be born with it but more commonly acquire it in infancy or later in life. In many cases it may result in reduced or limited vision. [3] In normal eyesight, while the head rotates about an axis, distant visual images are sustained by ...
Exterior of labyrinth of the inner ear. Benign paroxysmal positional vertigo ( BPPV) is a disorder arising from a problem in the inner ear. [ 3] Symptoms are repeated, brief periods of vertigo with movement, characterized by a spinning sensation upon changes in the position of the head. [ 1] This can occur with turning in bed or changing ...
How Water Therapy Can Help Dogs Regain Mobility. Water therapy, or hydrotherapy, can be an effective form of physical rehabilitation for dogs recovering from injuries, surgery, or arthritis. The ...
Why Dogs Like Watching TV If you're a Gen X-er, you might have been told as a kid that dogs are color blind , but recent studies show that dogs can see two primary colors , tones of blues and yellows.
In this video, a young Rottweiler is barking and leaping at the moon while out on an evening stroll. She’s obvious struck by the light of this marvelous celestial body, but when she expresses ...
Frequency. ~2% (children) [ 3] Strabismus is a vision disorder in which the eyes do not properly align with each other when looking at an object. [ 2] The eye that is pointed at an object can alternate. [ 3] The condition may be present occasionally or constantly. [ 3] If present during a large part of childhood, it may result in amblyopia, or ...
Life on the streets is not easy, but it's a reality many dogs face. Some are turned loose there, while many others are born into it. There are billions of problems with stray dogs, and there are ...