CRAO is considered a stroke of the eye. Studies show that about two-thirds of patients have underlying high blood pressure and one-fourth of patients will have significant carotid artery disease (plaque with narrowing of the artery lining), cardiac valvular disease or diabetes.
Electrical pressure is measured in volts, or voltage. All electrical devices are rated for specific voltages. Most devices and small appliances in a home are rated for 120 volts, while high-voltage appliances, such as electric dryers, ranges, and many baseboard heaters, are rated for 240 volts.
1 Measure the height and width of each wall in the room. 2  Measure from one corner to the opposite corner to confirm the room is square or has crooked angles. 3  Measure your windows, doors and how high the windows are from the floor.4  Note the location of each electrical outlet.oom Measurement Basics. 1  Be sure your metal tape measure is at least 25 ft. 2  Measure the height and width of each wall in the room. 3  Measure from one corner to the opposite corner to confirm the room is square or has crooked angles. 4  Measure your windows, doors and how high the windows are from the floor. 5  Note the location of each electrical outlet. 6  N