Miotics
| Medical Definition: |
Agents causing contraction of the pupil of the eye. Because the size of the pupil is under the antagonistic control of the sympathetic and parasympathetic systems, drugs affecting either system can cause miosis. Drugs that mimic or potentiate the parasympathetic input to the circular constrictor muscle and drugs that inhibit sympathetic input to the radial dilator muscle tend to contract the pupils. Some sources use the term miotics only for the parasympathomimetics but any drug used to induce miosis is included here. |
| Guide Notes: |
do not confuse with "mitotic"; GEN or unspecified; prefer specifics; consider also PUPIL /drug eff |
Miotics Medical Definitions and Terms
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