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.
(More on figuring energy use without directly measuring it.). But if you want to measure the energy use yourself, you can definitely do that too. There are three ways to measure how much electricity something uses: 1  Buy a cheap, simple watt-hour meter.2  Buy and install a whole-house meter. 3  Look at the meter on the side of your house and time it.ut if you want to measure the energy use yourself, you can definitely do that too. There are three ways to measure how much electricity something uses: 1  Buy a cheap, simple watt-hour meter.