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Parinaud's syndrome is a constellation of neurological signs indicating injury to the dorsal midbrain. More specifically, compression of the vertical gaze center at the rostral interstitial nucleus of medial longitudinal fasciculus (riMLF). It is a group of abnormalities of eye movement and pupil dysfunction and is named for Henri Parinaud [ 6 ...
Parinaud's oculoglandular syndrome. Parinaud's oculoglandular syndrome (POS) is a medical condition characterized by a specific set of symptoms affecting the eye and nearby lymph nodes. Named after the French ophthalmologist Henri Parinaud, it should not be confused with the neurological syndrome caused by a lesion in the midbrain which is also ...
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 ...
Canine degenerative myelopathy, also known as chronic degenerative radiculomyelopathy, is an incurable, progressive disease of the canine spinal cord that is similar in many ways to amyotrophic lateral sclerosis (ALS). Onset is typically after the age of 7 years and it is seen most frequently in the German shepherd dog, Pembroke Welsh corgi ...
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 position. [ 3]
A pterygium of the eye ( pl.: pterygia or pterygiums, also called surfer's eye) is a pinkish, roughly triangular tissue growth of the conjunctiva onto the cornea of the eye. [ 2] It typically starts on the cornea near the nose. [ 3] It may slowly grow but rarely grows so large that it covers the pupil and impairs vision. [ 2]
Neurology. A demyelinating disease refers to any disease affecting the nervous system where the myelin sheath surrounding neurons is damaged. [ 1] This damage disrupts the transmission of signals through the affected nerves, resulting in a decrease in their conduction ability. Consequently, this reduction in conduction can lead to deficiencies ...
The ‘whale eye’ is typically the last plea before a scared dog feels the need to bite. A dog should never be forced to endure the attentions of a child, no matter how well-meaning the child ...