• Posterior chiasmal syndrome, the lesions affecting the caudal fibres in chiasma produce paracentral bitemporal field defects. (wikipedia.org)
  • Homonymous hemianopia on the contralateral side may occur when posterior chiasmal lesions involve the optic tract. (wikipedia.org)
  • Pupil-involving third nerve palsy is considered a neurological as it is most often due to a posterior communicating artery aneurysm compressing the nerve. (nih.gov)
  • Some individuals with MS and other CNS inflammatory syndromes also may experience homonymous visual field defects caused by lesions in retrochiasmal or retrogeniculate (posterior) regions of the afferent visual pathway. (medscape.com)
  • Pupils, anterior segment, and posterior segment exams were normal. (medscape.com)
  • It aims to prevent the 6,000 new cases of cancer and 30,000 precancerous cervical lesions caused by HPV every year. (connexionfrance.com)
  • Evaluating the Feasibility of Machine-Learning-Based Predictive Models for Precancerous Cervical Lesions in Patients Referred for Colposcopy. (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)
  • Anterior chiasmal syndrome, the lesions that affect the ipsilateral optic nerve fibres and the contralateral inferonasal fibres located in the Willebrand knee produce junctional scotoma, i.e., a combination of central scotoma in one eye and temporal hemianopia defect in the other eye. (wikipedia.org)
  • The presence of a lesion at any point along the oculosympathetic pathway results in Horner syndrome, which is characterized clinically by ipsilateral miosis (from unantagonized action of the iris sphincter), facial anhidrosis, ipsilateral upper eyelid ptosis, and mild lower eyelid elevation (upside-down ptosis). (aao.org)
  • Lesions at or distal to the superior cervical ganglion-that is, the postganglionic (third-order) neuron-result in anhidrosis limited to the ipsilateral forehead. (aao.org)
  • During the swinging light test, there is a moment when the contralateral (healthy) pupil is again submerged in darkness, while the ipsilateral (affected) pupil has light shining upon it. (derangedphysiology.com)
  • Pupil-sparing third nerve palsy is most often due to an ischemic vascular cause and usually resolves spontaneously in 3 months. (nih.gov)
  • Signs and symptoms associated with optic chiasm lesions are also known as chiasmal syndrome. (wikipedia.org)
  • Middle chiasmal syndrome, the lesions involving the decussating fibres in the body of chiasma produce bitemporal hemianopia. (wikipedia.org)
  • Lateral chiasmal lesions may produce binasal hemianopia. (wikipedia.org)
  • Possible causes: chiasmal lesion? (mrcophth.com)
  • This retrospective study included 34 patients with at least one lesion with PI-RADS score≥ 3. (embj.org)
  • Affected cats often develop thick ocular discharge, which may cling to the surface of the eye, and may also have constricted pupils (due to pain) and sensitivity to light. (vcahospitals.com)
  • Seeing two objects instead of one ( diplopia ) with a binocular view can arise from ocular misalignment caused by lesions of the brainstem and cerebellum. (medscape.com)
  • 3. Ocular examination: although usually low yield, cats with FIP may have ocular lesions, dogs and cats with dysautonomia may have dilated, nonresponsive pupils and poor tear production, and fungal lesions may also be seen. (dvm360.com)
  • choroidal lesion. (mrcophth.com)
  • Lesion leakage and lesion diameter were both significantly reduced following administration of NPD1 in a mouse model of laser-induced choroidal neovascularization. (ophthalmologytimes.com)
  • Fort Lauderdale, FL -The neuroprotectin D1 (NPD1) molecule swiftly reduced leakage from choroidal neovascular lesions as well as lesion diameter in a study conducted in an animal model. (ophthalmologytimes.com)
  • The diameters of the choroidal lesions then were plotted to determine the degree of neovascularization. (ophthalmologytimes.com)
  • As the tumor enlarges, it may cause distortion of the pupil (iris melanoma), blurred vision (ciliary body melanoma), or markedly decreased visual acuity caused by secondary retinal detachment (choroidal melanoma). (cigna.com)
  • In the visual system of human eye, the visual information processed by retinal photoreceptor cells travel in the following way: Retina→Optic nerve→Optic chiasma (here the nasal visual field of both eyes cross over to the opposite side)→Optic tract→Lateral geniculate body→Optic radiation→Primary visual cortex The type of field defect can help localize where the lesion is located (see picture given in infobox). (wikipedia.org)
  • Whereas the history is the most important element in defining the clinical problem, neurologic examination is performed to localize a lesion in the central nervous system (CNS) or peripheral nervous system (PNS). (medscape.com)
  • Lesions in optic nerve causes visual field defects and blindness. (wikipedia.org)
  • Causes of optic nerve lesions include optic atrophy, optic neuropathy, head injury etc. (wikipedia.org)
  • Lesions involving the whole optic nerve cause complete blindness on the affected side, that means damage at the right optic nerve causes complete loss of vision in the right eye. (wikipedia.org)
  • lf unilateral central scotoma is detected, careful observation of the temporal visual field of other eye is essential to rule out the possibility of compressive lesions at the junction of optic nerve and optic chiasm. (wikipedia.org)
  • A lesion involving complete optic chiasm, which disrupts the axons from the nasal field of both eyes, causes loss of vision of the right half of the right visual field and the left half of the left visual field. (wikipedia.org)
  • Main characteristic feature of lesion involving whole optic tract is homonymous hemianopsia. (wikipedia.org)
  • A lesion in the left optic tract will cause right-sided homonymous hemianopsia, while a lesion in the right optic tract will cause left-sided homonymous hemianopsia. (wikipedia.org)
  • Causes of optic tract lesions are also classified into intrinsic and extrinsic forms. (wikipedia.org)
  • Such lesions produce optic tract syndrome type II. (wikipedia.org)
  • Extrinsic or compressive lesions are caused by pituitary craniopharyngioma, tumours of optic thalamus. (wikipedia.org)
  • In the experiment, the pupils of anesthetized mouse eyes were dilated, and lesions were made around the optic nerve at 3, 6, 9, and 12 o'clock. (ophthalmologytimes.com)
  • The graders reported small differences in brightness and contrast along the vessels [and] borders of the optic nerve head and in the definition of the edges of lesions in 16.6% of eyes. (ophthalmologytimes.com)
  • With the darkness stimulating the dilation of both pupils, and the light stimulating nothing (owing to the optic nerve pathology on the tested side), the pupil exposed to light will dilate abnormally, until it is the same diameter as the unlit pupil. (derangedphysiology.com)
  • Eyes with iris synechiae and a mechanically immobile pupil can cause false-positive cocaine test results, but such findings can be readily distinguished through slit-lamp examination. (aao.org)
  • Based upon these findings, the presence of a lesion involving both the orbit and eye should be included when a diagnosis of retinoblastoma, idiopathic inflammatory pseudotumor, lymphoma, and/or Sturge- Weber syndrome is proposed. (omicsonline.org)
  • A retrospective review was performed on cases of Chinese patients with clinical findings of simultaneous intraocular and orbital spaceoccupied lesions. (omicsonline.org)
  • Optos is planning larger long-term studies to assess whether this RGB image can provide improved details at the level of the lesions, novel findings, or benefits previously reported by other commercially approved devices using blue reflectance imaging. (ophthalmologytimes.com)
  • Younger age also predicted intubation, as did a higher Abbreviated Injury Scale (AIS) score, particularly for the thorax, chest, and face, while patients with prehospital unreactive pupils had a greater likelihood of prehospital intubation but not of in-hospital intubation. (medscape.com)
  • From an initial retrospective review of 1543 patients with a diagnosis of intraocular and/or orbital spaceoccupied lesions, 8 patients (4 males and 4 females) with a coexistence of both intraocular and orbital mass lesions were identified. (omicsonline.org)
  • Patients demonstrating a concomitant intraocular and orbital spaceoccupied lesion are relatively rare [ 4 , 5 ] and, to the best of our knowledge, this is the first report stressing the underlying causes of concomitant intraocular and intraorbital lesions in the literature. (omicsonline.org)
  • Assessing pressure areas in all patients is key to reduce the risk of pressure ulcers and moisture lesions, even if the patient is independently mobile. (salford.ac.uk)
  • The results demonstrated that adding blue laser did not negatively affect the noninvasive, easy-to-acquire images in patients with a small pupil when using the patient-friendly and high-resolution images obtained using previous UWF devices. (ophthalmologytimes.com)
  • Concomitant intraocular and orbital space-occupied lesions are relatively rare and this is the first report stressing the underlying causes of concomitant intraocular and intraorbital lesions . (omicsonline.org)
  • A retrospective review was performed on cases with both intraocular and orbital spaceoccupied lesions who were treated at the Zhongshan Ophthalmic Center, of Sun Yat-sen University, China between Jan 1, 2000 and Dec 31, 2011. (omicsonline.org)
  • The incidence of orbital lesions in rank order of occurrence include: thyroidal associated ophthalmopathy , vascular lesions, idiopathic inflammatory pseudotumor, and lymphoproliferative neoplasia [ 3 ]. (omicsonline.org)
  • Lesions of the superior orbital fissure, orbital apex, or cavernous sinus, present in combination with other cranial nerve palsies. (nih.gov)
  • Herein we present a case of a 77-year old man with no previous cancer history who presented with painless progressive left globe proptosis and an enlarging left upper lid margin lesion, ultimately determined upon biopsy to be simultaneous orbital mantle cell lymphoma with systemic involvement and isolated eyelid EMPSGC. (bvsalud.org)
  • Cats with eosinophilic keratitis develop characteristic raised pink, tan, white, or grey lesions on the surface of the cornea. (vcahospitals.com)
  • Lesions are often first noticed at the edge of the cornea, sometimes extending from behind the third eyelid, but they will gradually spread across the cornea. (vcahospitals.com)
  • The trochlear nerve controls the superior oblique muscle, which helps with eye movement, while the oculomotor nerve controls several eye muscles responsible for eye movement, pupil constriction, and focusing. (proprofs.com)
  • This nerve controls the movement of the eye and is responsible for functions such as pupil constriction and eyelid elevation. (proprofs.com)
  • Histology of a lipogranulomatous lesion and the diagnosis was chalazion. (mrcophth.com)
  • Small uveal lesions are observed for growth before making a diagnosis of melanoma. (cigna.com)
  • A painless necrotic lesion on of rickettsioses: current approaches to the developed on a finger of a 31-year- diagnosis of old and new rickettsial dis- the left fourth finger measured 3 cm2 old, healthy, female Belgian woman. (cdc.gov)
  • combined 3rd and 4th nerve palsy post-traumatic without pupil involvement. (mrcophth.com)
  • The pudendal nerve, derived from S2, S3 and S4, leaves the pelvis m edial to the sciatic nerve via the higher sciatic foram en. (dnahelix.com)
  • Lesions along the oculomotor nerve present with ptosis and restriction of adduction, elevation and depression movements of the eyeball. (nih.gov)
  • Major clinical signs associated with the administration of MDMA in the dog included circling, depression, dilated pupils, hyperactivity, rapid breathing, and salivation. (erowid.org)
  • Intrinsic lesions include demyelinating diseases and infarction. (wikipedia.org)
  • Wernicke's pupillary reaction- No pupillary reaction when light shown to the blind half of retina, but if light is shown to seeing half, pupil shows reaction. (wikipedia.org)
  • This is also your time to perform your observations, on B8 we do basic clinical observations within a NEWS score, this includes, temperature, oxygen saturations, respiration rate, blood pressure and pulse as well as, neurological observations which includes the GCS (Glasgow Coma Scale), checking pupil reaction and performing limb assessments. (salford.ac.uk)
  • Decreased pupillary light reaction in the affected eye: A relative afferent pupillary defect (RAPD) or Marcus Gunn pupil commonly is observed. (medscape.com)
  • In Horner syndrome, the weakened dilator muscle causes the pupil to dilate more slowly, producing an anisocoria that is greatest at 4-5 seconds and less if remeasured at 15 seconds. (aao.org)
  • A postcocaine anisocoria of 1 mm or greater is diagnostic of Horner syndrome on the side of the smaller pupil (see Fig 10-1). (aao.org)
  • In addition, after instillation of topical phenylephrine 10% (a strong, direct-acting sympathomimetic drug), a mechanically restricted pupil will remain small, but in Horner syndrome, it will readily dilate. (aao.org)
  • The clinical behaviour of the lesions is in keeping with what is expected of some HPV infections. (nih.gov)
  • When the lesion is congenital or acquired early in life, iris heterochromia develops (the affected iris appears lighter in color) but might not be detected until the age of 9-12 months. (aao.org)
  • This important topic has come up in Question 5 from the first paper of 2007, which asked about pupil reactivity and diameter in the context of coma. (derangedphysiology.com)
  • Large spot: standard aperture for a dilated pupil and general examination of the eye. (adctoday.com)
  • The iris, the coloured part of the eye, is the ring of muscle and collagen fibres around the central black opening of the eye known as the pupil , through which light passes. (britannica.com)
  • Micro spot allows quick entry into small, undilated pupils. (adctoday.com)
  • Lead author Barbra Hamill, a research assistant from the School of Medicine, Dentistry and Biomedical Sciences at the Centre for Public Health at Queen's University Belfast in the United Kingdom, and her colleagues explained that adding the blue laser is noninvasive and does not alter the patient-friendly and high-resolution image that is easy to acquire in a small pupil (2 mm) using ultrawidefield (UWF) devices. (ophthalmologytimes.com)
  • On January 8, a basin containing water and chlorox- small, painless, vesicular lesion ylenol. (cdc.gov)
  • Efferent visual pathway lesions can create a perception of oscillopsia, a visual disturbance in which objects appear to jiggle or move owing to nystagmus (involuntary eye movements). (medscape.com)
  • Lesions with Gleason score≥6 had significantly lower Kapp compared to benign lesions (p=0.025). (embj.org)
  • The ADC-ratio was the only significantly different parameter between GS≥7 and GS=6 lesions (p=0.039). (embj.org)
  • it is also specific for white matter lesions in the central nervous system. (medscape.com)
  • No test article-related lesions were seen in the brains of either species. (erowid.org)
  • Lesions in that pathway cause a variety of visual field defects. (wikipedia.org)
  • Are the pupils of equal size? (vin.com)
  • Lesions varied in number, size and duration. (nih.gov)
  • The process of dental caries is highly Early detection of dental caries has dependent on individual risks factors such benefits such as preservation of natural as dietary habits, poor or inadequate oral dentition, reduced chances of progression hygiene practices, acidogenicity of plaque of dental caries to deeper carious lesions bacteria, and access to and use of fluoride- and cost involved. (bvsalud.org)
  • External exam showed a well-demarcated pinkish-white concave lesion with fine hairs temporally in her right eye. (medscape.com)
  • the use of a sharp probe could create oral hygiene and an urgent need for the cavitated lesions ( 11 ). (who.int)
  • The prevalence of lesions amongst school children in these two communities was noticeably higher than that of another community of similar ethnicity studied earlier. (nih.gov)
  • Assessing machine learning for fair prediction of ADHD in school pupils using a retrospective cohort study of linked education and healthcare data. (cdc.gov)
  • The variations in the annual prevalence rates (7% to 13%), the incidence rates per 1000 (38 to 68), the female to male ratios (1:0.4 to 1:1) and the average ages of the affected pupils did not differ between communities and from year to year. (nih.gov)
  • Therefore, cocaine has no effect, and the miotic pupil remains smaller than the fellow pupil. (aao.org)
  • The mechanism responsible for the postulated lesion is speculative. (bmj.com)
  • Magnetic resonance imaging also helps to rule out structural lesions. (medscape.com)