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  2. Mydriasis - Wikipedia

    en.wikipedia.org/wiki/Mydriasis

    Mydriasis is the dilation of the pupil, usually having a non-physiological cause, [3] or sometimes a physiological pupillary response. [4] Non-physiological causes of mydriasis include disease, trauma, or the use of certain types of drug. It may also be of unknown cause.

  3. Miosis - Wikipedia

    en.wikipedia.org/wiki/Miosis

    Nerves involved in the resizing of the pupil connect to the pretectal nucleus of the high midbrain, bypassing the lateral geniculate nucleus and the primary visual cortex. From the pretectal nucleus neurons send axons to neurons of the Edinger-Westphal nucleus whose visceromotor axons run along both the left and right oculomotor nerves .

  4. Adie syndrome - Wikipedia

    en.wikipedia.org/wiki/Adie_syndrome

    Adie's pupil is supersensitive to ACh so a muscarinic agonist (e.g. pilocarpine) whose dose would not be able to cause pupillary constriction in a normal patient, would cause it in a patient with Adie's Syndrome. The circuitry for the pupillary constriction does not descend below the upper midbrain, henceforth impaired pupillary constriction is ...

  5. 7 reasons why your pupils may be dilated, from low light to ...

    www.aol.com/news/7-reasons-why-pupils-may...

    When pupils are dilated, it means that they grow larger in size. This can happen for a number of different reasons, including drug use and arousal. 7 reasons why your pupils may be dilated, from ...

  6. Pupillary response - Wikipedia

    en.wikipedia.org/wiki/Pupillary_response

    Dilation and constriction of the pupil. Pupillary response is a physiological response that varies the size of the pupil, via the optic and oculomotor cranial nerve.. A constriction response (), [1] is the narrowing of the pupil, which may be caused by scleral buckles or drugs such as opiates/opioids or anti-hypertension medications.

  7. Cycloplegia - Wikipedia

    en.wikipedia.org/wiki/Cycloplegia

    All cycloplegics are also mydriatic (pupil dilating) agents and are used as such during eye examination to better visualize the retina. When cycloplegic drugs are used as a mydriatic to dilate the pupil, the pupil in the normal eye regains its function when the drugs are metabolized or carried away.

  8. What Does it Mean When Someone Says You Have 'Bedroom Eyes'?

    www.aol.com/does-mean-someone-says-bedroom...

    Bedroom eyes often involve "relaxed facial muscles, dropped eyelids, dilated pupils, and an inviting smile," she notes. When done with intent, locking eyes, softening one's stare, smiling subtly ...

  9. Polycoria - Wikipedia

    en.wikipedia.org/wiki/Polycoria

    The extraneous pupil is c. 2.5mm away from the principal pupil. In cases of true polycoria there is an intact sphincter muscle, which contracts and dilates the pupils. [5] In an eye without polycoria, the sphincter muscle is a part of the iris that functions to constrict and dilate the pupil.