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  2. 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.

  3. 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.

  4. 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 .

  5. Pupillary light reflex - Wikipedia

    en.wikipedia.org/wiki/Pupillary_light_reflex

    Whereas, the pupil is the passive opening formed by the active iris. Pupillary reflex is synonymous with pupillary response, which may be pupillary constriction or dilation. Pupillary reflex is conceptually linked to the side (left or right) of the reacting pupil, and not to the side from which light stimulation originates.

  6. Types of PTSD: From Symptoms to Treatment - AOL

    www.aol.com/types-ptsd-symptoms-treatment...

    Post-traumatic stress disorder can also coexist with anxiety disorders, such as panic disorder, social anxiety, and generalized anxiety disorder (GAD). Substance abuse is another frequent co ...

  7. Adie syndrome - Wikipedia

    en.wikipedia.org/wiki/Adie_syndrome

    This second set of symptoms is caused by damage to the dorsal root ganglia of the spinal cord. 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 ...

  8. Pupillometry - Wikipedia

    en.wikipedia.org/wiki/Pupillometry

    Greater pupil dilation is associated with increased processing in the brain. [45] Vacchiano and colleagues (1968) found that pupillary responses were associated with visual exposure to words with high, neutral or low value. Presented low-value words were associated with dilation, and high-value words with constriction of a pupil. [46]

  9. Spasm of accommodation - Wikipedia

    en.wikipedia.org/wiki/Spasm_of_accommodation

    This dilation may pose a problem since a larger pupil is less efficient at focusing light (see pupil, aperture, and optical aberration for more.) Patients who have accommodative spasm may benefit from being given glasses or contacts that account for the problem or by using vision therapy techniques to regain control of the accommodative system.

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