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Blurred vision
Blurred vision Lack of sharpness of vision with, as a result, the inability to see fine detail. Blurred vision can occur when a person who wears corrective lens is without them. Blurred vision can also be an important clue to eye disease.
RELATED TERMS--------------------------------------
Vision
The sense of sight.
Lens
The lens of the eye is like an adjustable lens of a camera and focuses light rays on to the retina for sharp images. A condition called presbyopia occurs when the lens is no longer able to adjust for objects at different distances.
Disease
Illness or sickness often characterized by typical patient problems (symptoms) and physical findings (signs). Disruption sequence: The events that occur when a fetus that is developing normally is subjected to a destructive agent such as the rubella (German measles) virus.
SIMILAR TERMS--------------------------------------
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Blot, Southern
A test commonly used in molecular biology and genetics, the purpose of the test being to check for a match between DNA molecules.
Blot, Western
A technique in molecular biology, used to separate and identify proteins.
Blue baby operation
A surgical procedure for a baby who is cyanotic (blue) due to a heart malformation that prevents blood from being fully oxygenated. The bluish color reflects the deoxygenated state of the blood. The surgery is designed to palliate or ideally correct the heart defect and relieve the cyanosis.
Blue cohosh
(Caulophyllum thalictroides). A tall North American perennial plant with large blue berries. Blue cohosh is sold as an herbal dietary supplement that can induce labor. Blue cohosh contains the glycosides caulosaponin and caulophyllosaponin, which cause uterine contraction and constriction of the coronary arteries in experimental animals. There is considerable concern about the medical safety of blue cohosh. Newborn babies have been reported who have had a heart attack or stroke after the mother took blue cohosh to induce labor.
Blueberry root
See: Blue cohosh.
Blurred vision
Blush
A redness of the skin, typically over the cheeks or neck. A blush is usually temporary and brought on by excitement, exercise, fever, or embarrassment. Blushing is an involuntary (uncontrollable) response of the nervous system leading to widening of the capillaries of the involved skin. Also referred to as a flush.
BM
"Abbreviation for ""black male"" used by doctors as shorthand when jotting down the results of their physical examination."
BMD (bone mass density)
Abbreviation for bone mass density and the synonymous term, bone mineral density.
BMD (bone mineral density)
Abbreviation for bone mineral density and, the synonymous term, bone mass density.
BMI
Body mass index.
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