• In ischemic lesions of the oculomotor nerve, pupillary function is usually spared whereas in compressive lesions the pupil is involved. (wikipedia.org)
  • These lesions involved the supra- and the infratentorial compartments, with the largest lesion in the left cerebellar hemisphere ( Figure 1 A). Ascending transtentorial herniation, significant mass effect, distortion of the brainstem and fourth ventricle, moderate supratentorial ventricular dilatation, and associated sulcal/meningeal enhancement occurred. (cdc.gov)
  • Pinpoint pupils are a sign of opioid overdose but are not pathognomonic (e.g., pontine lesions of hemorrhagic or ischemic origins may produce similar findings). (clustermed.info)
  • Casey a tonic in the center of cases on this is a concave lens. (lvmodernhomes.com)
  • It involves a change in the size of the pupil and the convexity of the lens, and either a convergence or divergence of the eyes. (unboundmedicine.com)
  • In Horner's syndrome sympathetic nerve fibers have a defect, therefore the pupil of the involved eye will not dilate in darkness. (wikipedia.org)
  • sympathetic property and erection doses the Pupil between venous similar maturity and organs by power. (worldclassbows.com)
  • Tonic pupil is characterized by delayed dilation of iris especially after near stimulus, segmental iris constriction, and sensitivity of pupil to a weak solution of pilocarpine. (wikipedia.org)
  • This may suggest Adie tonic pupil, pharmacologic dilation, oculomotor nerve palsy, or damaged iris. (wikipedia.org)
  • Anisocoria which is worsened (greater asymmetry between the pupils) in the dark suggests the small pupil (which should dilate in dark conditions) is the abnormal pupil and suggests Horner's syndrome or mechanical anisocoria. (wikipedia.org)
  • By that evening her pupils became small, quadriparesis developed, and she became deeply comatose. (cdc.gov)
  • Anisocoria is a condition characterized by an unequal size of the eyes' pupils. (wikipedia.org)
  • Anisocoria has various causes: Physiological anisocoria: About 20% of population has a slight difference in pupil size which is known as physiological anisocoria. (wikipedia.org)
  • This is because a hemorrhage, tumor or another intracranial mass can enlarge to a size where the third cranial nerve (CN III) is compressed, which results in uninhibited dilatation of the pupil on the same side as the lesion. (wikipedia.org)
  • The eye had received the emerges at the saturation, aves, the size of micro-organisms feb. 6, dilatation of the best of de zeng's plioro-optometer, there is ihediflf'ust' s. (lvmodernhomes.com)
  • Change in the size of the pupil when attention is suddenly fixed. (unboundmedicine.com)
  • Anisocoria is a common condition, defined by a difference of 0.4 mm or more between the sizes of the pupils of the eyes. (wikipedia.org)
  • In this condition, the difference between pupils is usually less than 1 mm. (wikipedia.org)
  • He was listed as second author on a paper published in The Journal of Neuroscience, which was featured briefly in episode 21 of the show named a show on May 25, 2012 called "My Pupils", explaining that his study of neuroscience of vision was motivated by his harmless anisocoria condition. (wikipedia.org)
  • These lesions involved the supra- and the infratentorial compartments, with the largest lesion in the left cerebellar hemisphere ( Figure 1 A). Ascending transtentorial herniation, significant mass effect, distortion of the brainstem and fourth ventricle, moderate supratentorial ventricular dilatation, and associated sulcal/meningeal enhancement occurred. (cdc.gov)
  • Grade II is an intraventricular haemorrhage without ventricular dilatation. (bmj.com)
  • Grade III is and intraventricular haemorrhage with ventricular dilatation. (bmj.com)
  • A day before admission she had generalized tonic clonic convulsions that progressed to status epilepticus, followed by loss of consciousness. (cdc.gov)
  • This may suggest Adie tonic pupil, pharmacologic dilation, oculomotor nerve palsy, or damaged iris. (wikipedia.org)
  • may include tonic posturing or tremulousnessmovements are thrashing or jerking, rather than pharmacologic therapy for malperfusion that cannot be seen occasionally from poststenotic dilatation of localized subretinal and/or vitreous seeds greater than 120 bpm). (berea.edu)
  • If the examiner is unsure whether the abnormal pupil is the constricted or dilated one, and if a one-sided drooping of the eyelid is present then the abnormally sized pupil can be presumed to be the one on the side of the ptosis. (wikipedia.org)
  • May present as reduced myocardial contractility, severe hypotension, passive cardiac dilatation, and tricuspid regurgitation. (medscape.com)
  • Intracerebral haemorrhage are tonic conjugate and dysconjugate deviations. (optography.org)
  • Anisocoria has various causes: Physiological anisocoria: About 20% of population has a slight difference in pupil size which is known as physiological anisocoria. (wikipedia.org)
  • Antihistamines competitively antagonize various physiological effects of histamine including increased capillary permeability and dilatation, the formation of edema, the "flare" and "itch" response, and gastrointestinal and respiratory smooth muscle constriction. (nih.gov)
  • In Horner's syndrome sympathetic nerve fibers have a defect, therefore the pupil of the involved eye will not dilate in darkness. (wikipedia.org)
  • This is because a hemorrhage, tumor or another intracranial mass can enlarge to a size where the third cranial nerve (CN III) is compressed, which results in uninhibited dilatation of the pupil on the same side as the lesion. (wikipedia.org)
  • Tabes dorsalis and generalised paralysis of insane may be associated with primary optic atrophy, argyll Robertson pupil and internal and external ophthalmoplegia. (optography.org)
  • Anisocoria is a condition characterized by an unequal size of the eyes' pupils. (wikipedia.org)
  • Anisocoria is a common condition, defined by a difference of 0.4 mm or more between the sizes of the pupils of the eyes. (wikipedia.org)
  • If the smaller pupil dilates in response to instillation of apraclonidine eye drops, this suggests Horner's syndrome is present. (wikipedia.org)
  • The surgical site and stage of the pupil reveals the classic weber-ferguson-dieffenbach incision provides exposure of probe is directed toward attaining the childs care. (berea.edu)
  • Myotics (meuo, I close),- are agents which produce contraction of the pupil. (google.dk)
  • Anisocoria which is greater in bright light suggests the larger pupil (which should constrict in bright conditions) is the abnormal pupil. (wikipedia.org)