Also known as: PB-
PB has various meanings in the Healthcare category. Discover the full forms, definitions, and usage contexts of PB in Healthcare.
Presbyopia is a defect of vision in which objects are not clearly visible due to weakening of eye muscles in old age. It is overcome by the use of suitable lenses in the same frame.
HealthcareBarometric pressure (also known as atmospheric pressure) is the force exerted by the atmosphere at a given point. It is known as the "weight of the air". A barometer measures barometric pressure. Measurement of barometric pressure can be expressed in millibars(mb) or in inches or millimeters of mercury (Hg). Normal pressure at sea level is 1013.3 millibars or 29.92 inches of mercury.
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