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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 ...
Horizontal Gaze Nystagmus (HGN) testing is a common practice used by law enforcement in the United States in the identification of persons who are intoxicated or under the influence of a controlled substance. The key difference between recognizing PAN and horizontal gaze nystagmus is the position of the subject's head in relation to the body.
ICD-9-CM. 95.44. MedlinePlus. 003429. In medicine, the caloric reflex test (sometimes termed 'vestibular caloric stimulation ') is a test of the vestibulo-ocular reflex that involves irrigating cold or warm water or air into the external auditory canal. This method was developed by Robert Bárány, who won a Nobel prize in 1914 for this discovery.
According to pet behaviorists, "whale eye" is something that they would love for dog owners to take notice of. As dog behaviorist Kerry Stack, founder of Darwin Dogs Training, says, dog bites ...
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 ...
The two senior cats recently came to the rescue and were having a hard time adjusting to their new life. These cats might be seniors, but they still have so much love to give. In a video the ...
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 ...
Derek Jeter is looking back on the first time he ever appeared on a trading card — and why he's "still not happy" about it to this day.. While speaking to PEOPLE about the launch of the Arena ...