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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 .

  3. 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 ( miosis ), [ 1 ] is the narrowing of the pupil, which may be caused by scleral buckles or drugs such as opiates / opioids or anti-hypertension medications.

  4. 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.

  5. Miosis - Wikipedia

    en.wikipedia.org/wiki/Miosis

    Download as PDF; Printable version; ... mydriasis, is the dilation of the pupil. Anisocoria is the condition of one pupil being more dilated than the other. Causes

  6. Intraocular muscles - Wikipedia

    en.wikipedia.org/wiki/Intraocular_muscles

    Intrinsic ocular muscles [1] or intraocular muscles [2] are muscles of the inside of the eye structure. The intraocular muscles are responsible for the protraction and retraction of the eyelids and reaction to light and pupil accommodation . [ 2 ]

  7. Oculomotor nerve palsy - Wikipedia

    en.wikipedia.org/wiki/Oculomotor_nerve_palsy

    Oculomotor nerve palsy or oculomotor neuropathy [1] is an eye condition resulting from damage to the third cranial nerve or a branch thereof. As the name suggests, the oculomotor nerve supplies the majority of the muscles controlling eye movements (four of the six extraocular muscles, excluding only the lateral rectus and superior oblique).

  8. Dilated fundus examination - Wikipedia

    en.wikipedia.org/wiki/Dilated_fundus_examination

    Dilated fundus examination (DFE) is a diagnostic procedure that uses mydriatic eye drops to dilate or enlarge the pupil in order to obtain a better view of the fundus of the eye. [1] Once the pupil is dilated, examiners use ophthalmoscopy to view the eye's interior, which makes it easier to assess the retina , optic nerve head , blood vessels ...

  9. Horner's syndrome - Wikipedia

    en.wikipedia.org/wiki/Horner's_syndrome

    Horner's syndrome, also known as oculosympathetic paresis, [1] is a combination of symptoms that arises when a group of nerves known as the sympathetic trunk is damaged. The signs and symptoms occur on the same side (ipsilateral) as it is a lesion of the sympathetic trunk.