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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.
Computer vision syndrome. Computer vision syndrome ( CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.
Long-term contact lens use can lead to alterations in corneal thickness, stromal thickness, curvature, corneal sensitivity, cell density, and epithelial oxygen uptake, etc. Other changes may include the formation of epithelial vacuoles and microcysts (containing cellular debris) as well as the emergence of polymegethism in the corneal endothelium.
Oculocardiac reflex. The oculocardiac reflex, also known as Aschner phenomenon, Aschner reflex, or Aschner–Dagnini reflex, is a decrease in pulse rate associated with traction applied to extraocular muscles and/or compression of the eyeball. [ 1] The reflex is mediated by nerve connections between the ophthalmic branch of the trigeminal ...
Cold showers may also improve mood and energy or mental alertness, which Dr. Rachelle Reed, an exercise physiologist in Athens, Georgia, has experienced, she said. “You sort of feel a little bit ...
Eye (Microphthalmia, Cataract) Alagille syndrome: genetic (Autosomal dominant inheritance: loss of function mutations in either JAG1 or NOTCH2) Congenital heart problems e.g. pulmonary artery stenosis (common), Tetralogy of Fallot, overriding aorta, ventricular septal defect; and right ventricular hypertrophy.
Cold shock response is a series of neurogenic cardio-respiratory responses caused by sudden immersion in cold water . In cold water immersions, such as by falling through thin ice, cold shock response is perhaps the most common cause of death. [ 1] Also, the abrupt contact with very cold water may cause involuntary inhalation, which, if ...
Cold pressor test. The cold pressor test is a cardiovascular test performed by immersing the hand into an ice water container, usually for one minute, and measuring changes in blood pressure and heart rate. These changes relate to vascular response and pulse excitability. Some research suggests that the outcome of the cold pressor test can help ...