questionsmedicales.fr
Phénomènes psychologiques
Processus mentaux
Perception
Perception visuelle
Perception visuelle : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Évaluation de la vision
Tests de vision
Imagerie par résonance magnétique
Électrorétinogramme
Troubles de la vision
Illusions visuelles
Ophtalmologie
Changements de vision
Maladies oculaires
Traumatismes oculaires
Symptômes
5
Vision floue
Difficultés de profondeur
Illusions visuelles
Perception visuelle
Agnosie
Troubles de la perception
Fatigue visuelle
Maux de tête
Synesthésie
Perception sensorielle
Prévention
5
Prévention des troubles visuels
Lunettes de soleil
Fatigue visuelle
Utilisation d'écrans
Tabagisme
Dégénérescence maculaire
Exercice physique
Santé oculaire
Traitements
5
Thérapie visuelle
Chirurgie oculaire
Thérapie visuelle
Coordination œil-main
Lunettes
Erreurs de réfraction
Chirurgie de la cataracte
Glaucome
Médicaments ophtalmiques
Glaucome
Complications
5
Perte de vision
Troubles émotionnels
Activités quotidiennes
Mobilité
Dépression
Isolement social
Aggravation des troubles
Traitement
Agnosie
Interactions sociales
Facteurs de risque
5
Âge
Antécédents familiaux
Diabète
Rétinopathie diabétique
Hypertension
Vaisseaux sanguins
Traumatismes oculaires
Risques visuels
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}
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{
"@type": "Question",
"name": "Quels examens pour troubles de la perception ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'IRM et l'électrorétinogramme aident à diagnostiquer les troubles de la perception."
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{
"@type": "Question",
"name": "Quels signes indiquent un problème visuel ?",
"position": 3,
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"@type": "Question",
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"@type": "Question",
"name": "Quels symptômes de troubles de la perception ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes incluent la vision floue, les halos, et les difficultés de profondeur."
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"@type": "Question",
"name": "Comment reconnaître une illusion visuelle ?",
"position": 7,
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"name": "Quels signes d'une fatigue visuelle ?",
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"text": "Les signes incluent des maux de tête, des yeux secs et une vision floue après un usage prolongé."
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"@type": "Question",
"name": "Comment se manifeste la synesthésie visuelle ?",
"position": 10,
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"@type": "Answer",
"text": "La synesthésie visuelle se manifeste par des associations involontaires entre couleurs et sons."
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"@type": "Question",
"name": "Comment prévenir les troubles de la perception ?",
"position": 11,
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"@type": "Answer",
"text": "Protégez vos yeux avec des lunettes de soleil et faites des examens réguliers."
}
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"@type": "Question",
"name": "Quel rôle joue l'alimentation sur la vision ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation riche en vitamines A, C et E peut aider à maintenir une bonne vision."
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"@type": "Question",
"name": "Comment réduire la fatigue visuelle ?",
"position": 13,
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"text": "Faites des pauses régulières lors de l'utilisation d'écrans pour réduire la fatigue visuelle."
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{
"@type": "Question",
"name": "Pourquoi éviter le tabac pour la vision ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le tabac augmente le risque de maladies oculaires comme la dégénérescence maculaire."
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"@type": "Question",
"name": "L'exercice physique aide-t-il la vision ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'exercice régulier améliore la circulation sanguine, bénéfique pour la santé oculaire."
}
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"name": "Quels traitements pour troubles de la perception ?",
"position": 16,
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"text": "Les traitements incluent la thérapie visuelle, les lunettes et parfois la chirurgie."
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"@type": "Question",
"name": "Comment la thérapie visuelle aide-t-elle ?",
"position": 17,
"acceptedAnswer": {
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"text": "La thérapie visuelle améliore la coordination œil-main et la perception visuelle."
}
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"@type": "Question",
"name": "Les lunettes corrigent-elles la perception ?",
"position": 18,
"acceptedAnswer": {
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"text": "Oui, les lunettes corrigent les erreurs de réfraction et améliorent la perception visuelle."
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"@type": "Question",
"name": "Quand envisager une chirurgie oculaire ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "La chirurgie est envisagée pour des problèmes structurels comme la cataracte ou le glaucome."
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"@type": "Question",
"name": "Quels médicaments pour troubles visuels ?",
"position": 20,
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"@type": "Answer",
"text": "Des médicaments peuvent traiter des conditions comme le glaucome ou les infections oculaires."
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"@type": "Question",
"name": "Quelles complications des troubles visuels ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent la perte de vision, l'isolement social et des troubles émotionnels."
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"@type": "Question",
"name": "Comment les troubles visuels affectent-ils la vie quotidienne ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils peuvent limiter les activités quotidiennes, affecter le travail et la mobilité."
}
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"@type": "Question",
"name": "Quels risques de dépression avec troubles visuels ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les troubles visuels augmentent le risque de dépression en raison de l'isolement social."
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"@type": "Question",
"name": "Les troubles de la perception peuvent-ils s'aggraver ?",
"position": 24,
"acceptedAnswer": {
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"text": "Oui, sans traitement, certains troubles de la perception peuvent s'aggraver avec le temps."
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"@type": "Question",
"name": "Quelles sont les conséquences d'une agnosie visuelle ?",
"position": 25,
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"text": "L'agnosie visuelle peut entraîner des difficultés dans la reconnaissance d'objets et des interactions sociales."
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"@type": "Question",
"name": "Quels facteurs de risque pour troubles visuels ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent l'âge, les antécédents familiaux et les maladies chroniques."
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"@type": "Question",
"name": "Le diabète augmente-t-il les risques visuels ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le diabète peut causer des complications oculaires comme la rétinopathie diabétique."
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"@type": "Question",
"name": "Comment l'hypertension affecte-t-elle la vision ?",
"position": 28,
"acceptedAnswer": {
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"text": "L'hypertension peut endommager les vaisseaux sanguins de l'œil, entraînant des troubles visuels."
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"text": "Oui, les traumatismes oculaires augmentent le risque de troubles de la perception visuelle."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 24/04/2025
Contenu vérifié selon les dernières recommandations médicales
5 publications dans cette catégorie
Affiliations :
Department of Psychological Sciences, Ogden College of Science and Engineering, Western Kentucky University, 1906 College Heights Blvd. #22030, Bowling Green, KY, 42101-2030, USA. farley.norman@wku.edu.
Center for Applied Science in Health and Aging, Western Kentucky University, Bowling Green, KY, 42101-2030, USA. farley.norman@wku.edu.
Publications dans "Perception visuelle" :
3 publications dans cette catégorie
Affiliations :
Institute of Neurology, Wellcome Centre for Human Neuroimaging, University College London, London, UK.
Publications dans "Perception visuelle" :
3 publications dans cette catégorie
Affiliations :
Institute of Neurology, Max Planck UCL Centre for Computational Psychiatry and Ageing Research, London, UK.
Publications dans "Perception visuelle" :
3 publications dans cette catégorie
Affiliations :
Institute of Neurology, Wellcome Centre for Human Neuroimaging, University College London, London, UK.
Institute of Neurology, Max Planck UCL Centre for Computational Psychiatry and Ageing Research, London, UK.
Department of Experimental Psychology, University College London, London, UK.
Publications dans "Perception visuelle" :
2 publications dans cette catégorie
Affiliations :
Laboratory of Experimental Psychology, Department of Brain and Cognition, Faculty of Psychology and Educational Sciences, KU Leuven, Tiensestraat 102 - box 3711, 3000, Leuven, Belgium.
Publications dans "Perception visuelle" :
2 publications dans cette catégorie
Affiliations :
Humboldt-Universität zu Berlin, Berlin, Germany.
Publications dans "Perception visuelle" :
2 publications dans cette catégorie
Publications dans "Perception visuelle" :
2 publications dans cette catégorie
Publications dans "Perception visuelle" :
2 publications dans cette catégorie
Affiliations :
Department of Experimental Psychology, Justus Liebig University Giessen, 35394 Giessen, Germany, and Center for Mind, Brain and Behavior, Universities of Marburg, Giessen and Darmstadt, Germany. Electronic address: roland.w.fleming@psychol.uni-giessen.de.
Publications dans "Perception visuelle" :
2 publications dans cette catégorie
Affiliations :
Department of Psychology, Glendon College; and Center for Vision Research, York University, Toronto, Canada; email: patcav1@yorku.ca.
Publications dans "Perception visuelle" :
2 publications dans cette catégorie
Affiliations :
Department of Psychology, Justus Liebig University Giessen, Giessen, Germany.
Publications dans "Perception visuelle" :
1 publication dans cette catégorie
Affiliations :
Laboratory of Experimental Psychology, Department of Brain and Cognition, Faculty of Psychology and Educational Sciences, KU Leuven, Tiensestraat 102 - box 3711, 3000, Leuven, Belgium. eline.vangeert@kuleuven.be.
Publications dans "Perception visuelle" :
1 publication dans cette catégorie
Affiliations :
Department of Linguistics and Cognitive Science, University of Delaware, Newark, DE, USA. alon@udel.edu; https://pal.lingcogsci.udel.edu/.
Publications dans "Perception visuelle" :
1 publication dans cette catégorie
Affiliations :
Department of Linguistics and Philosophy, Massachusetts Institute of Technology, Cambridge, MA, USA. ejgr@mit.edu; https://sites.google.com/site/greenedwinj/.
Publications dans "Perception visuelle" :
1 publication dans cette catégorie
Affiliations :
Department of Psychological and Brain Sciences, Johns Hopkins University, Baltimore, MD, USA. chaz@jhu.edu; https://perception.jhu.edu/.
Publications dans "Perception visuelle" :
1 publication dans cette catégorie
Affiliations :
Department of Psychiatry, Service of General Psychiatry, Lausanne University Hospital (CHUV), Lausanne, Switzerland.
Laboratory of Cognitive Neuroscience, Brain Mind Institute, Faculty of Life Sciences, Swiss Federal Institute of Technology, Geneva, Switzerland.
Center for Neuroprosthetics, Faculty of Life Sciences, Swiss Federal Institute of Technology, Geneva, Switzerland.
Publications dans "Perception visuelle" :
1 publication dans cette catégorie
Affiliations :
Department of Psychiatry, Service of General Psychiatry, Lausanne University Hospital (CHUV), Lausanne, Switzerland.
Center for Neuroprosthetics, Faculty of Life Sciences, Swiss Federal Institute of Technology, Geneva, Switzerland.
CNRS, LPNC UMR 5105, Université Grenoble Alpes, Grenoble, France.
Publications dans "Perception visuelle" :
1 publication dans cette catégorie
Affiliations :
Lifeline Research Foundation, Lifeline Australia, Deakin ACT, Australia.
School of Health and Human Sciences, Southern Cross University, Lismore NSW, Australia.
Publications dans "Perception visuelle" :
1 publication dans cette catégorie
Affiliations :
Department of Mechanical Engineering and Automation, Northeastern University, Shenyang, China.
Publications dans "Perception visuelle" :
1 publication dans cette catégorie
Affiliations :
Institut de Neurosciences des Systèmes (INS), Inserm (U1106), Aix Marseille University, Marseille, France.
Publications dans "Perception visuelle" :
Rectal neuroendocrine neoplasms (NENs) are rare neoplasms with limited understanding of its genomic alterations and molecular typing....
The paraffin-embedded tissue specimens of 38 patients with rectal NENs after surgery were subjected to whole gene sequencing (WGS), and mutation profilings were drawn to identify high-frequency mutati...
C > T and T > C transitions are the most common base substitutions in rectal NENs. DNA mismatch repair deficiency, DNA base modifications, smoking and exposure to ultraviolet light might play a role i...
This study evaluated risk factors for regional lymphatic and/or distant metastases, identified high-frequency mutated genes, mutation signatures, altered signaling pathways through NGS. Rectal NENs we...
There are only a few epidemiological reports available for reference. The clinicopathological features are not clear, so there is no consensus on treating rectal multiple neuroendocrine neoplasms. Thi...
This study retrospectively analyzed rectal neuroendocrine neoplasm patients diagnosed and treated at the Fourth Hospital of Hebei Medical University from February 2007 to May 2021. The clinicopatholog...
The incidence of RM-NENs accounted for 3.8% of all R-NENs in this study. The number of tumors varied to some extent, the size of tumors was basically no more than 10 mm, and there were more G1 grade t...
The incidence of rectal multiple neuroendocrine neoplasms accounted for 3.8% of all rectal neuroendocrine neoplasms. For rectal multiple neuroendocrine neoplasms, the lymph node metastasis rate was hi...
Adequate staging of early rectal neoplasms is essential for organ-preserving treatments, but magnetic resonance imaging (MRI) frequently overestimates the stage of those lesions. We aimed to compare t...
This retrospective study in a tertiary Western cancer center included consecutive patients evaluated by magnifying chromoendoscopy and MRI who underwent en bloc resection of nonpedunculated sessile po...
Specificity of magnifying chromoendoscopy was 97.3% (95% CI 92.2-99.4), and accuracy was 92.7% (95% CI 86.7-96.6) for predicting invasion deeper than T1sm1 (not amenable to local excision). MRI had lo...
Magnifying chromoendoscopy is reliable for predicting invasion depth in early rectal neoplasms and selecting patients for local excision....
After a full-thickness total wall excision of a rectal tumor, suturing the defect is generally recommended. Recently, due to various contradictory studies, there is a trend to leave the defects open. ...
A retrospective review of our prospectively maintained database was conducted. Adult patients who underwent transanal surgery for rectal neoplasm in our institution from 1997 to 2019 were analyzed. Pa...
In total, 404 (239 men) patients were analyzed, 143 (35.4%) from group A and 261 (64.6%) from group B. No differences were observed in tumor size, distance from the anal verge or operation time. The o...
We acknowledge the occasional impossibility of closing the defect in patients who undergo local excision; however, when it is possible, the present data suggest that there may be advantages to suturin...
HoxB13 is a transcription factor involved in defining of posterior endodermal derivatives, including prostate and rectum. While it is used as a marker of prostatic adenocarcinoma, it has not been stud...
To investigate the four-phase computed tomography (CT) features of rectal neuroendocrine neoplasms (R-NENs) as they relate to different World Health Organization pathological grades....
A total of 42 patients who underwent pre-operative four-phase CT for evaluation of neoplasms confirmed as different pathological grades of R-NENs by surgery were included. The CT features were retrosp...
Among 42 cases (23 males, 19 females, aged 57 ± 10.48 years) of R-NENs, neuroendocrine tumors G1, G2, and G3 (NET G1, NET G2, NET G3) and neuroendocrine carcinoma (NEC) were 13, 13, 3 and 13 cases, re...
Features on four-phase CT can correlate with WHO pathological grades of R-NENs; this may be helpful for preoperative diagnosis and prognosis evaluation....
Total neoadjuvant treatment (TNT) for rectal cancer is becoming an accepted treatment paradigm and is changing the landscape of this disease, wherein up to 50% of patients who undergo TNT are able to ...
Despite the use of multimodality therapy, locally advanced rectal cancer (LARC) still presents high rates of disease recurrence. Fluoropyrimidine-based chemotherapy concurrently with radiation therapy...
We aim to summarize data from completed and ongoing clinical trials addressing the role of biological therapies, including monoclonal antibodies, immune checkpoint inhibitors (ICIs), antibody-drug con...
Deeper understanding of the molecular biology of colorectal cancer (CRC) has allowed meaningful advances in the systemic therapy of metastatic disease in the past few years. The larger applicability o...
To audit the diagnostic accuracy of MRI for staging early and polyp rectal cancers with the purpose of identifying scope for service improvement....
This is an IRB approved retrospective study of patients who underwent staging MRI for rectal growths followed by upfront TME type surgery or local excision without neoadjuvant therapy between 2018 and...
53 patients (32 males) with a mean (SD) age of 56.7 (13.6) years with 54 rectal lesions and underwent trans-anal excision (n = 18) or upfront surgery (n = 35) were included. Pathology showed < / = pT1...
Radio-pathological correlation for MRI T-stage is excellent for MDT reads by experienced radiologists. MDT reads lead to significant down-staging of T-stage in polyp and early rectal cancer thereby im...
Colon and rectal cancer imaging has traditionally been performed to assess for distant disease (typically lung and liver metastases) and to assess the resectability of the primary tumor. With technolo...