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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 ...
The most common cause of POS is cat-scratch disease, an infectious disease that typically results from a scratch or bite from a cat. However, this syndrome is an unusual feature of cat-scratch disease. In rare cases, other infections may also cause the syndrome. [1] Bartonella henselae [2] Francisella tularensis [3] Herpes simplex virus type 1 [4]
Dissociated vertical deviation. Dissociated vertical deviation ( DVD) is an eye condition which occurs in association with a squint, typically infantile esotropia. The exact cause is unknown, although it is logical to assume it is from faulty innervation of eye muscles.
The cause of motion sickness is either real or perceived motion. [2] This may include car travel, air travel, sea travel, space travel, or reality simulation. [2] Risk factors include pregnancy, migraines, and Ménière's disease. [2] The diagnosis is based on symptoms. [2] Treatment may include behavioral measures or medications. [3]
Being at the right place at the right time is a big part of helping reunite a lost pet with their owner, but it also takes some effort from the owner. She was smart to include a recent photo of ...
The first theory suggests feline hyperesthesia syndrome is a behavioural disorder, which is caused by either behavioural displacement or stress factors. Stress increases the release of [alpha]-melanocyte-stimulating hormone and causes increased grooming and endorphin production. [ 2][ 4][ 5][ 6] Behavioural displacement would occur when a cat ...
Cancer in cats is the leading cause of death among cats. It is caused by uncontrolled cell growth, and affects a wide range of cell types and organs in the body. Feline cancer initially manifests as a lump or bump on any parts of the body. It rapidly grows in the affected cell, attaches itself to the tissue under the skin in that area, and ...