Definition of "mydriatic" []

• Causing dilatation of the pupils. (adjective)
• A mydriatic drug. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "With one-touch, the operator can automatically switch between mydriatic and non-mydriatic modes, effortlessly utilizing different functions within seconds and performing several concurrent ocular tests."
• "Its clinical uses are primarily as a sedative, and applied locally (directly) as a mydriatic, which causes the pupil of the eye to dilate."
• "D. stramonium seeds contain about 0.2% of mydriatic alkaloids and about 15-30% of fixed oils."