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.
Pigment binds the dilating drops and requires higher doses but blue eyes react faster and stronger to dilation drops. Occasionally a childâs eyes may stay dilated for longer than 24 hours. Children require stronger and longer lasting drops than do adults to accurately measure refractive error. Dilating eye drops are occasionally used to treat certain eye diseases such as amblyopia and inflammation in the eye.