Figure S2 shows the energy balance of a typical low pressure sodium lamp, which reveals that in fact only about 30% of the input power is converted into visible light. This percentage is comparable with other modern discharge lamps.
Dilated cardiomyopathy is a disease in which the heart muscle becomes enlarged and weak. Loss of ability to contract is a main component of the condition, affecting both left and right sides of the heart.
What Are Dilating Eye Drops? Sep. Your pupils are the round, black openings at the center of your iris (the colored part of your eye). Your iris opens and closes the pupil to allow more or less light into the eye. For your eye doctor to look inside your eyes, your pupils must be dilated (widened). Dilating eye drops enlarge your pupils and keep them from getting smaller when the doctor shines light in your eyes. Next What to Expect When Your Eyes Are Dilated.