Abnormal Visual Evoked Potentials: Causes & Reasons

Possible Causes for Abnormal Visual Evoked Potentials

[…] of visual evoked potentials Adrenocorticotropin receptor defect Anisocoria Babinski sign Decreased circulating aldosterone level Decreased circulating cortisol level Dysarthria [dovemed.com]

[…] autonomic nervous system physiology 0012332 Abnormality of visual evoked potentials 0000649 Adrenocorticotropin receptor defect 0008259 Anisocoria Asymmetric pupil sizes [rarediseases.info.nih.gov]

Respiratory insufficiency Sensorineural hearing impairment In addition to the above-mentioned, the following signs and symptoms may be present in some affected individuals: Abnormality [dovemed.com]

Congenital Disorder of Glycosylation Type 1K

The visual and brainstem-auditory evoked potentials revealed bilateral integrity of visual and auditory pathways, respectively. [frontiersin.org]

potentials CDGs are genetically heterogeneous autosomal recessive disorders caused by abnormal glycosylation of N-linked oligosaccharides. [ajnr.org]

MRI was abnormal (Figure 2), showing generalized and asymmetric cortical-subcortical frontotemporal atrophy (HP:0006892) predominantly on the left, hypoplasia of the frontal [frontiersin.org]

Gaucher Disease

Gaucher's disease Acid beta-glucosidase Specialty Endocrinology Gaucher's disease or Gaucher disease () (GD) is a genetic disorder in which glucocerebroside (a sphingolipid, also known as glucosylceramide) accumulates in cells and certain organs. The disorder is characterized by bruising, fatigue, anemia, low blood[…] [en.wikipedia.org]

Congenital Merosin-Positive Muscular Dystrophy

[…] the occipital lobes on MRI and abnormal visual evoked potentials. [ncbi.nlm.nih.gov]

Imaging findings in the pure form of CMD have recently been reported, along with their association with abnormal sensory and visual evoked potentials (6, 7, 10). [ajnr.org]

Visual-evoked potentials were normal in the children with merosin-positive congenital muscular dystrophy but were abnormal in those with merosin deficiency. [ncbi.nlm.nih.gov]

Gaucher Disease Type 3

Ups J Med Sci. 2016 Aug;121(3):192-5. doi: 10.3109/03009734.2016.1158756. Epub 2016 Apr 11. Author information 1 a Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland ; 2 b Hematology Center Karolinska and Department of Medicine at Huddinge, Karolinska[…] [ncbi.nlm.nih.gov]

Hereditary Motor and Sensory Neuropathy Type 6

Advanced Search Help Advanced search lets you search selected properties of the classification. You could search all properties or a selected subset only First, you need to provide keywords in the Search Text field then check the properties that you'd like to include in the search. The system will search for the[…] [icd.who.int]

Charcot-Marie-Tooth Disease Type 4D

Abnormality of the eye Abnormality of visual evoked potentials Abnormality of the musculoskeletal system Distal amyotrophy Distal muscle weakness Abnormality of the nervous [ncbi.nlm.nih.gov]

[…] cellular phenotype Intraaxonal accumulation of curvilinear autofluorescent lipopigment storage material Abnormality of limbs Abnormality of the hand Talipes cavus equinovarus [ncbi.nlm.nih.gov]

[…] genes Help Also known as: CAP43, CMT4D, DRG-1, DRG1, GC4, HMSNL, NDR1, NMSL, PROXY1, RIT42, RTP, TARG1, TDD5, NDRG1 Summary: N-myc downstream regulated 1 Show allHide all Abnormal [ncbi.nlm.nih.gov]

Hepatic Form of Wilson Disease

[…] pathway abnormalities Wilson's disease: an electrophysiological study using electroretinography and visual evoked potentials. [malattierare.regione.veneto.it]

JUN 2000; 31 (2) : 94-100 Satishchandra-P; Naik-KR Visual pathway abnormalities in Wilson's disease: an electrophysiological study using electroretinography and visual evoked [malattierare.regione.veneto.it]

potentials JOURNAL-OF-THE-NEUROLOGICAL-SCIENCES. [malattierare.regione.veneto.it]

GNAO1 Encephalopathy

ORPHA:411634 Canavan Disease Abnormality of visual evoked potentials ORPHA:141 Stargardt Disease Abnormality of visual evoked potentials ORPHA:827 Solitary Fibrous Tumor/Hemangiopericytoma [mousephenotype.org]

[…] of visual evoked potentials, Ataxia, Tremor OMIM:133540 Benign Schwannoma Allodynia ORPHA:252164 Hermansky-Pudlak Syndrome Abnormality of visual evoked potentials ORPHA:79430 [mousephenotype.org]

[…] of visual evoked potentials, Ataxia, Spasticity, Gait dist... [mousephenotype.org]

Perinephritis

[…] pain. (3) At least one of the following abnormalities: relative afferent pupillary defect, a nerve fiber bundle visual field defect, abnormal visual evoked potential. [frontiersin.org]

Inclusion criteria were: (1) MRI contrast enhancement or T2 lesions of the intra-orbital optic nerve. (2) Acute loss of visual acuity or visual field, with or without eye [frontiersin.org]

Fibular Dimelia-Diplopodia Syndrome

Strabismus/squint Abnormal VEP/Visual evoked potential Abnormal visual field/hemianopsia/hemianopia/scotoma/visual peripheral rim Achromatopsia/dyschromatopsia/daltonism/ [readbag.com]

ERG/electroretinogram/electroretinography Abnormal eye movements/oculomotor disorder Nystagmus Oculomotor apraxia/dyspraxia Ophthalmoplegia/ophthalmoparesis/oculomotor palsy [readbag.com]

Triangular face Upslanted palpebral fissures/mongoloid slanting palpebral fissures www.orphanet.net/ 2 of 39 Thesaurus of Clinical Signs and Symptoms Anomalies of eyes and vision Abnormal [readbag.com]

Pelizaeus-Merzbacher-like Brain Sclerosis

visual evoked potential MR imaging lack of viable alternative diagnosis The exact etiology is poorly known although it is believed to have both genetic and acquired contributory [radiopaedia.org]

[…] findings and various investigations (see McDonald diagnostic criteria for multiple sclerosis), including 19: typical history oligoclonal bands in CSF immunoglobulin G in serum abnormal [radiopaedia.org]

Autosomal Recessive Spastic Paraplegia Type 46

Abnormal visual evoked potentials and pattern ERG may also reflect the dysfunction of the RGCs and their axons. [ncbi.nlm.nih.gov]

Autosomal Dominant Optic Atrophy - Hearing Loss - Peripheral Neuropathy Syndrome

[…] loss / impaired visual acuity Occasional - Abnormal VEP / Visual evoked potential - Nerve conduction abnormality - Strabismus / squint [csbg.cnb.csic.es]

[…] symptoms Abnormality of visual evoked potentials 0000649 Ataxia 0001251 Decreased nerve conduction velocity 0000762 Gait disturbance Abnormal gait Abnormal walk Impaired [rarediseases.info.nih.gov]

[…] of the upper urinary tract Pallor Gastrointestinal dysmotility Encephalopathy Abnormality of visual evoked potentials Short stature Ataxia Myopia Macrocephaly Infantile onset [mendelian.co]

Neurodegenerative Syndrome due to Cerebral Folate Transport Deficiency

visual evoked potentials (VEPs) [32]. [tandfonline.com]

Although visual impairment is not a common feature of early CLN2 disease [7], a small number of patients may show retinal dysfunction on an electroretinogram (ERG) or abnormal [tandfonline.com]

Atypical Neuroaxonal Dystrophy

Electromyographic (EMG) signs of chronic denervation, fast rhythms on EEG and abnormal visual evoked potentials were observed in all patients during the disease course. [neurology.org]

abnormal visual evoked potentials. [slideplayer.com]

[…] pyramidal sign 0007256 Abnormality of metabolism/homeostasis Laboratory abnormality Metabolism abnormality [ more ] 0001939 Abnormality of visual evoked potentials 0000649 [rarediseases.info.nih.gov]

Acute Zonal Occult Outer Retinopathy

[…] pattern visual evoked potentials (VEPs) at the onset and significant functional recovery in the natural course. [dovepress.com]

[…] pattern visual evoked potentials. ( 21966193 ) Chai Y....Yamamoto S. 2011 [malacards.org]

Chai Y, Yamazaki H, Fujinami K, Tsunoda K, Yamamoto S: Case of acute zonal occult outer retinopathy with abnormal pattern visual evoked potentials. [karger.com]

Infantile Neuroaxonal Dystrophy

Electromyographic (EMG) signs of chronic denervation, fast rhythms on EEG and abnormal visual evoked potentials were observed in all patients during the disease course. [ncbi.nlm.nih.gov]

[…] these symptoms Areflexia Absent tendon reflexes 0001284 Decreased nerve conduction velocity 0000762 Percent of people who have these symptoms is not available through HPO Abnormal [rarediseases.info.nih.gov]

Microphthalmia - Ankyloblepharon - Intellectual Disability Syndrome

visual evoked potential/AR/POLG/#203700 ALPORT SYNDROME/Cataracts, anterior lenticonus, myopia, retinal pigmentary changes/XLD, AR/COL4A5, COL4A4, COL4A3/#301050, #203780 [eyewiki.org]

visual evoked potential AR POLG #203700 ALPORT SYNDROME Cataracts, anterior lenticonus, myopia, retinal pigmentary changes XLD, AR COL4A5, COL4A4, COL4A3 #301050, #203780 [eyewiki.aao.org]

The asymmetric decussation can be detected by 3-lead visual-evoked potential. [entokey.com]

Optic Nerve Injury

The main abnormality of visual evoked potentials is the shortening of amplitude, which is recorded to gradually recede after treatment in half of the patients. [ncbi.nlm.nih.gov]

evoked potentials. [ncbi.nlm.nih.gov]

Abstract The value of Visual Evoked Potentials (VEP) in the management of indirect optic nerve injury was prospectively studied in 78 patients. [ncbi.nlm.nih.gov]

Periocular Meningioma

FIG. 3: Visual evoked potentials show prolonged P100 latencies in both eyes. [journals.lww.com]

Visual evoked potential (VEP) examination of the left eye showed prolonged latency and decreased amplitudes, suggestive of optic nerve dysfunction. [bjo.bmj.com]

FIG. 2: Octopus perimetry shows a mostly inferior nerve fiber bundle defect in the right eye and no definite abnormalities in the left eye. [journals.lww.com]

Optic Atrophy Type 2

[…] loss / impaired visual acuity Occasional - Abnormal VEP / Visual evoked potential - Nerve conduction abnormality - Strabismus / squint [csbg.cnb.csic.es]

Pattern cortical visual evoked potentials were grossly abnormal bilaterally in both cases. [molvis.org]

Visual evoked potentials are typically absent or delayed; pattern electroretinogram shows an abnormal N95:P50 ratio. [ncbi.nlm.nih.gov]

GLYT1 Encephalopathy

Abnormal visual evoked potentials and brain stem evoked response audiometry as well as motor and sensory polyneuropathy were reported in one child [Kurolap et al 2016]. [ncbi.nlm.nih.gov]

Brain imaging (CT or MRI) findings may include ventriculomegaly, optic nerve atrophy, thin or normal corpus callosum, atrophy in the caudate nucleus, and white matter abnormalities [ncbi.nlm.nih.gov]

Autosomal Recessive Osteopetrosis Type 2

[…] hair texture / hair dysplasia - Abnormal VEP / Visual evoked potential - Anaemia - Anomalies of the ribs - Autosomal recessive inheritance - Bone pain - Bowed diaphysis / [csbg.cnb.csic.es]

[…] of the ribs ; Abnormality of visual evoked potentials ; Anemia ; Apnea ; Bone pain ; Bowing of the long bones ; Bruising susceptibility ; Chronic rhinitis ; Cranial nerve [mousephenotype.org]

[…] age onset: neonatal/infancy Average age of death: - Type of inheritance: autosomal recessive External references: 4 OMIM references - No MeSH references Very frequent - Abnormal [csbg.cnb.csic.es]

Cortical Blindness-Intellectual Disability-Polydactyly Syndrome

[…] of visual evoked potentials 60 Very frequent (99-80%) 12 hypertonia 60 Frequent (79-30%) 13 cachexia 60 Very frequent (99-80%) 14 abnormality of the palate 60 Very frequent [malacards.org]

60 Frequent (79-30%) 8 global developmental delay 33 HP:0001263 9 recurrent respiratory infections 60 Very frequent (99-80%) 10 short stature 60 Very frequent (99-80%) 11 abnormality [malacards.org]

Neonatal Hypoglycemia

A large number showed posterior abnormalities on electroencephalography (EEG). Visual loss with abnormal visual evoked potential was the most frequent visual finding. [ncbi.nlm.nih.gov]

Restricted diffusion was associated with abnormal visual evoked potentials detected within 1 week after birth. [ncbi.nlm.nih.gov]

Ninety percent of cases showed abnormal signal of the posterior head region on magnetic resonance imaging (MRI). [ncbi.nlm.nih.gov]

Alpers Syndrome

visual evoked potentials and normal electroretinogram; (g) quantitative mitochondrial DNA depletion in skeletal muscle or liver (35% mean); (h) deficiency in polymerase-γ [pubs.rsna.org]

[…] of visual evoked potentials 0000649 Astrocytosis 0002446 Autosomal recessive inheritance 0000007 Bile duct proliferation 0001408 Cerebellar atrophy Degeneration of cerebellum [rarediseases.info.nih.gov]

visual evoked potential AR POLG #203700 ALPORT SYNDROME Cataracts, anterior lenticonus, myopia, retinal pigmentary changes XLD, AR COL4A5, COL4A4, COL4A3 #301050, #203780 [eyewiki.aao.org]

Cerebrotendinous Xanthomatosis

[…] white matter.[10] Electrophysiological studies reveal decreased nerve conduction velocities and abnormal sensory, motor, visual, and brainstem evoked potentials. [ncbi.nlm.nih.gov]

Typical brain MRI findings of a patient with CTX may include white matter signal abnormalities, such as bilateral hyperintensity of the dentate nuclei and cerebral and cerebellar [ncbi.nlm.nih.gov]

Autosomal Recessive Isolated Optic Atrophy

[…] loss / impaired visual acuity Occasional - Abnormal VEP / Visual evoked potential - Nerve conduction abnormality - Strabismus / squint [csbg.cnb.csic.es]

Pattern cortical visual evoked potentials were grossly abnormal bilaterally in both cases. [molvis.org]

[…] of the papilla - Sensorineural deafness / hearing loss Frequent - Achromatopsia / dyschromatopsia / daltonism / impaired colour vision - Areflexia / hyporeflexia - Mild visual [csbg.cnb.csic.es]

Optic Atrophy Type 4

[…] loss / impaired visual acuity Occasional - Abnormal VEP / Visual evoked potential - Nerve conduction abnormality - Strabismus / squint [csbg.cnb.csic.es]

Visual evoked potentials are typically absent or delayed; pattern electroretinogram shows an abnormal N95:P50 ratio. [ncbi.nlm.nih.gov]

As the baby approaches 12 months of age, a visual evoked cortical potential is appropriate. [brainscape.com]