WebStrokes which involve territories of the dorsal midbrain may cause cause dilated pupils, light near dissociation, lid retraction (Collier sing), lid ptosis, nystagmus (convergence retraction), and paralysis of upward gaze (or later downgaze) and accommodation.[7] WebJul 11, 2015 · Testing the pupils gives one some reassurance regarding the entire optic pathway. The retina, the optic nerve, the chiasm, the midbrain and third nerve - all play a role in the light response. ... Cheyne-Stokes respiration and fixed mid-dilated pupils develop. Eye movements. As far as the eye movements go, there are several pearls one …
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WebMay 24, 2016 · 1. Ischemic optic neuropathy: rule out giant-cell arteritis (GCA) Fundus photo showing a pale, swollen disc with a flame-shaped hemorrhage due to arteritic anterior ischemic optic neuropathy Image courtesy of AAO, Purnima S. Patel, MD, and Geoffrey Brooker, MD. Begin Slideshow Related AAOP-Talk Online Community landing Apr 03, 2024 WebScore: 5/5 (4 votes) . A blown, or blown out, pupil is characterized by a pupil that is largely dilated and unresponsive to light.When it occurs, a fixed dilated pupil may be present in one or both eyes. Typically, blown pupils are seen in response to brain damage caused by trauma or stroke, though less serious causes are possible. flybase cgas
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WebMay 6, 2024 · Mydriasis occurs when the pupil remains dilated (widened) and doesn't respond to light changes in an environment. It can happen due to an injury, medications, … WebA patient presents with a red, painful eye, nausea, vomiting, and a fixed mid-dilated pupil. What is your most likely diagnosis? angle-closure glaucoma A 60 y/o female presents with progressive visual loss that has been getting worse over the past week. She denies any history of trauma to her eye. WebPupil examination: Her right pupil was fixed and mid-dilated at 6 mm and did not change in light or dark. Her left pupil was round and reactive, and there was no afferent pupillary defect by reverse. Intraocular pressure: 65 mmHg in the right eye and 25 mmHg in the left eye; Slit lamp examination: Conjunctiva was injected OD. greenhouse gas in french