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Dizziness is a common medical complaint, affecting 20–30% of persons. [4] Dizziness is broken down into four main subtypes: vertigo (~25–50%), disequilibrium (less than ~15%), presyncope (less than ~15%), and nonspecific dizziness (~10%). [5] Vertigo is the sensation of spinning or having one's surroundings spin about them. Many people find ...
The term chronic subjective dizziness ( CSD) is used to describe a commonly encountered type of dizziness that is not easily categorized into one of several other types, and for which the physical examination is typically normal. Patients with CSD frequently initially suffer a sudden injury of some sort to their vestibular system, the ...
The superior semicircular canal dehiscence syndrome ( SSCDS) is a set of hearing and balance symptoms that a rare disease/disorder of the inner ear 's superior semicircular canal/duct induces. [ 3][ 4][ 5] The symptoms are caused by a thinning or complete absence of the part of the temporal bone overlying the superior semicircular canal of the ...
Balance disorder. A balance disorder is a disturbance that causes an individual to feel unsteady, for example when standing or walking. It may be accompanied by feelings of giddiness, or wooziness, or having a sensation of movement, spinning, or floating. Balance is the result of several body systems working together: the visual system (eyes ...
Lightheadedness is a common and typically unpleasant sensation of dizziness [ 1] or a feeling that one may faint. The sensation of lightheadedness can be short-lived, prolonged, or, rarely, recurring. In addition to dizziness, the individual may feel as though their head is weightless. The individual may also feel as though the room is ...
782.7 Petechiae. 782.8 Change in skin texture. 782.9 Other symptoms involving skin. 783 Symptoms concerning nutrition, metabolism and development. 783.0 Anorexia. Loss of appetite. 783.1 Abnormal weight gain. 783.2 Abnormal loss of weight. 783.3 Feeding difficulties and mismanagement.
The main symptoms are severe vertigo and nystagmus. The most common symptom for vestibular neuritis is the onset of vertigo that has formed from an ongoing infection or trauma. [9] The dizziness sensation that is associated with vertigo is thought to be from the inner ear labyrinth. [10]
Most optometrists agree that Streff syndrome is a generalized reduction in visual performance that is not caused by structural damage. It is a disease involving vision distress primarily of the accommodation system. Hans Selye described stress, distress and eustress. It is most common in girls ages 8 to 14. Hand held reading material is often ...