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.
The three aspects of electric car batteries that consumers should understand are capacity, charging and range. Here's a brief overview of each one. Capacity. An electric vehicle's battery capacity is measured in kilowatt-hours (kWh), the same unit your home electric meter records to determine your monthly electric bill.In the EV world, kilowatt-hours are to batteries as gallons are to gas tanks.ere's a brief overview of each one. Capacity. An electric vehicle's battery capacity is measured in kilowatt-hours (kWh), the same unit your home electric meter records to determine your monthly electric bill.