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  2. Mydriasis - Wikipedia

    en.wikipedia.org/wiki/Mydriasis

    Non-physiological causes of mydriasis include disease, trauma, or the use of certain types of drug. It may also be of unknown cause. It may also be of unknown cause. Normally, as part of the pupillary light reflex , the pupil dilates in the dark and constricts in the light to respectively improve vividity at night and to protect the retina from ...

  3. Oculogyric crisis - Wikipedia

    en.wikipedia.org/wiki/Oculogyric_crisis

    Oculogyric crisis (OGC) is a rare sudden, paroxysmal, dystonic reaction that may manifest in response to specific drugs, particularly neuroleptics, or medical conditions, such as movement disorders. This neurological phenomenon is characterized by a sustained dystonic, conjugate , involuntary upward deviation of both eyes lasting seconds to hours.

  4. Tropicamide - Wikipedia

    en.wikipedia.org/wiki/Tropicamide

    Tropicamide, sold under the brand name Mydriacyl among others, is a medication used to dilate the pupil and help with examination of the eye. [3] Specifically it is used to help examine the back of the eye. [4] It is applied as eye drops. [3] Effects occur within 40 minutes and last for up to a day. [3]

  5. 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.

  6. Tetryzoline - Wikipedia

    en.wikipedia.org/wiki/Tetryzoline

    Tetryzoline eye drops may cause blurred vision, eye irritation and dilated pupils ... Prolonged use thus may result in overuse of the drug. [5] In children, it might ...

  7. Doctor claims screens are damaging children's eyes - AOL

    www.aol.com/doctor-claims-screens-damaging...

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  8. Cycloplegia - Wikipedia

    en.wikipedia.org/wiki/Cycloplegia

    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. Some cycloplegic drugs can cause dilation of the pupil for several days.

  9. Atropine - Wikipedia

    en.wikipedia.org/wiki/Atropine

    Topical atropine is used as a cycloplegic, to temporarily paralyze the accommodation reflex, and as a mydriatic, to dilate the pupils. [15] Atropine degrades slowly, typically wearing off in 7 to 14 days, so it is generally used as a therapeutic mydriatic, whereas tropicamide (a shorter-acting cholinergic antagonist) or phenylephrine (an α-adrenergic agonist) is preferred as an aid to ...