Can High Blood Pressure Affect Eyes?

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Most physical exams include a blood pressure reading. Patients should not smoke, exercise, or drink caffeinated beverages within 30 minutes before their blood pressure measurement.

Measuring Blood Pressure

  • The standard instrument used to measure blood pressure is called a sphygmomanometer. Measurements are given as units of mercury, which for many years was used to fill the central column in standard sphygmomanometers. (Modern devices do not use mercury.)
  • An inflatable cuff with a meter...
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