1. Relating to or characterized by constriction of the pupil. 2. An agent that causes the pupil to constrict so that the pupils are small.
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mi·ot·ic also my·ot·ic -'ät-ik n an agent that causes miosis
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n.
a drug that causes the pupil of the eye to contract. Miotics, such as pilocarpine, are used to counteract the dilation of the pupil caused by drugs such as phenylephrine and to reduce the pressure in the eye in the treatment of glaucoma.
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mi·ot·ic (mi-otґik) 1. an agent that causes the pupil to contract. 2. meiotic.Medical dictionary. 2011.