Understand the basics of the earnings per share ratio and how this important financial metric is calculated in Excel and ... Read Answer >>. The amount of shares outstanding in a company will often change due to a company issuing new shares, repurchasing and retiring ... Read Answer >>.
The duration of pupil dilation depends on the type and concentration of the drug used. Generally, dilation lasts three to six hours. Sometimes, the dilation can extend up to 24 hours if a more concentrated drug is used. Atropine is a common eye drop used to dilate pupils during eye examination. Eye color can also determine the duration of pupil dilation.
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. Related What to Expect When Your Eyes Are Dilated.