Atropine is used as the sulphate as a mydriatic and cycloplegic for eye examinations.
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Dilation can be caused by mydriatic substances such as an eye drop solution containing tropicamide.
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Topical atropine is used as a cycloplegic, to temporarily paralyze the accommodation reflex, and as a mydriatic, to dilate the pupils.
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More examples
A drug that causes the pupil of the eye to dilate; used to aid eye examinations
(mydriasis) reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs
(mydriasis) The condition of having abnormally large and dilated pupils due to disease or drugs, particularly stimulants such as (meth)amphetamines, cocaine, etc
(Mydriasis) Dilation of the pupil.
A drug that dilates (widens) the pupil. They may be short or long acting. A mydriatic works by "paralysing" the muscles of the iris and ciliary body. (It is the movement of these inflammed muscles that causes the pain in anterior uveitis). ...