Comment évaluer la perception visuelle ?

Des tests de vision, comme l'optométrie, évaluent la perception visuelle.

Quels examens pour troubles de la perception ?

L'IRM et l'électrorétinogramme aident à diagnostiquer les troubles de la perception.

Quels signes indiquent un problème visuel ?

Des difficultés à voir, des illusions ou des distorsions visuelles peuvent indiquer un problème.

Quand consulter un spécialiste de la vue ?

Consultez un ophtalmologiste si vous ressentez des changements soudains de vision.

Quelles sont les causes de troubles visuels ?

Les causes incluent les maladies oculaires, les traumatismes et les troubles neurologiques.

Quels symptômes de troubles de la perception ?

Les symptômes incluent la vision floue, les halos, et les difficultés de profondeur.

Comment reconnaître une illusion visuelle ?

Les illusions visuelles se manifestent par des perceptions erronées d'objets ou de couleurs.

Qu'est-ce que l'agnosie visuelle ?

L'agnosie visuelle est l'incapacité de reconnaître des objets malgré une vision intacte.

Quels signes d'une fatigue visuelle ?

Les signes incluent des maux de tête, des yeux secs et une vision floue après un usage prolongé.

Comment se manifeste la synesthésie visuelle ?

La synesthésie visuelle se manifeste par des associations involontaires entre couleurs et sons.

Comment prévenir les troubles de la perception ?

Protégez vos yeux avec des lunettes de soleil et faites des examens réguliers.

Quel rôle joue l'alimentation sur la vision ?

Une alimentation riche en vitamines A, C et E peut aider à maintenir une bonne vision.

Comment réduire la fatigue visuelle ?

Faites des pauses régulières lors de l'utilisation d'écrans pour réduire la fatigue visuelle.

Pourquoi éviter le tabac pour la vision ?

Le tabac augmente le risque de maladies oculaires comme la dégénérescence maculaire.

L'exercice physique aide-t-il la vision ?

Oui, l'exercice régulier améliore la circulation sanguine, bénéfique pour la santé oculaire.

Quels traitements pour troubles de la perception ?

Les traitements incluent la thérapie visuelle, les lunettes et parfois la chirurgie.

Comment la thérapie visuelle aide-t-elle ?

La thérapie visuelle améliore la coordination œil-main et la perception visuelle.

Les lunettes corrigent-elles la perception ?

Oui, les lunettes corrigent les erreurs de réfraction et améliorent la perception visuelle.

Quand envisager une chirurgie oculaire ?

La chirurgie est envisagée pour des problèmes structurels comme la cataracte ou le glaucome.

Quels médicaments pour troubles visuels ?

Des médicaments peuvent traiter des conditions comme le glaucome ou les infections oculaires.

Quelles complications des troubles visuels ?

Les complications incluent la perte de vision, l'isolement social et des troubles émotionnels.

Comment les troubles visuels affectent-ils la vie quotidienne ?

Ils peuvent limiter les activités quotidiennes, affecter le travail et la mobilité.

Quels risques de dépression avec troubles visuels ?

Les troubles visuels augmentent le risque de dépression en raison de l'isolement social.

Les troubles de la perception peuvent-ils s'aggraver ?

Oui, sans traitement, certains troubles de la perception peuvent s'aggraver avec le temps.

Quelles sont les conséquences d'une agnosie visuelle ?

L'agnosie visuelle peut entraîner des difficultés dans la reconnaissance d'objets et des interactions sociales.

Quels facteurs de risque pour troubles visuels ?

Les facteurs incluent l'âge, les antécédents familiaux et les maladies chroniques.

Le diabète augmente-t-il les risques visuels ?

Oui, le diabète peut causer des complications oculaires comme la rétinopathie diabétique.

Comment l'hypertension affecte-t-elle la vision ?

L'hypertension peut endommager les vaisseaux sanguins de l'œil, entraînant des troubles visuels.

Le stress influence-t-il la perception visuelle ?

Oui, le stress peut affecter la concentration et la clarté de la perception visuelle.

Les antécédents de traumatismes oculaires sont-ils un risque ?

Oui, les traumatismes oculaires augmentent le risque de troubles de la perception visuelle.

Perception visuelle - Informations médicales vérifiées

Pharmacotherapeutic advances for splenomegaly in myelofibrosis.

Apr 2023

DOI: 10.1080/14656566.2023.2192350 PMID: 36922391

Myelofibrosis is a hematologic malignancy with a variety of clinical manifestations including splenomegaly, which is present in approximately 80% of newly diagnosed patients. JAK inhibitors are the ma... We first discuss the pathobiology of splenomegaly in myelofibrosis before detailing approved and novel pharmacotherapies that can reduce spleen size while also highlighting non-pharmacologic approache... Currently, ruxolitinib can be administered to the majority of frontline patients although those with severe thrombocytopenia should receive pacritinib to address spleen burden. Momelotinib may be part...

Humans Splenomegaly Primary Myelofibrosis Bridged-Ring Compounds Treatment Failure +3 autres

Outcome of pregnancy in women with splenomegaly.

04 Mar 2023

DOI: 10.1186/s12884-023-05465-0 PMID: 36870967

The spleen is a lymphopoietic organ, contains almost one quarter of the body's lymphocytes.... This was a prospective cross sectional study, carried out at Kassala hospital, Sudan between 1st of May 2019 to 30th of April 2020. The objective of this study was to investigate the outcome of pregna... The most predominant type of splenomegaly was massive (50.9%) splenomegaly. The reported obstetric complications among the investigated women include: intrauterine growth restriction (19.3%), preterm ... The study showed significant association between adverse obstetric outcomes and massive splenomegaly. Thus, it is important to consider splenomegaly as one of the factors making the pregnancy high-ris...

Pregnancy Infant Infant, Newborn Humans Female +5 autres

Splenomegaly in Kawasaki Disease: A Pitfall in Diagnosis.

06 2023

DOI: 10.1016/j.jpeds.2023.02.006 PMID: 36813130

Among the 365 children diagnosed as having Kawasaki disease (KD), only 5 children (1.4%) presented with splenomegaly: 2 complicated by macrophage activation syndrome and 3 ultimately received a diagno...

Child Humans Mucocutaneous Lymph Node Syndrome Macrophage Activation Syndrome Splenomegaly

Scrub typhus presenting with massive splenomegaly in an adolescent boy.

Jul 2023

DOI: 10.1177/00494755231166735 PMID: 37006155

Scrub typhus is a serious public health problem in the Asia Pacific region. Early diagnosis and treatment can prevent complications and mortality. Splenomegaly in isolated scrub typhus is mostly mild ...

Male Humans Adolescent Scrub Typhus Splenomegaly +2 autres

Neuroinflammation, autoinflammation, splenomegaly and anemia caused by bi-allelic mutations in

2023

DOI: 10.3389/fimmu.2023.1231749 PMID: 37744344

We describe a novel, severe autoinflammatory syndrome characterized by neuroinflammation, systemic autoinflammation, splenomegaly, and anemia (NASA) caused by bi-allelic mutations in...

Humans Leukocytes, Mononuclear Interleukin-1 Receptor-Associated Kinases Splenomegaly Interleukin-6 +3 autres

First case report of splenomegaly with splenic infarction due to aortic graft infection.

05 05 2023

DOI: 10.1186/s12872-023-03259-y PMID: 37147614

Diagnosis of aortic graft infections (AGI) is challenging. Here, we report a case of AGI with splenomegaly and splenic infarction.... A 46-year-old man who underwent total arch replacement for Stanford type A acute aortic dissection one year prior presented to our department with fever, night sweat, and a 20-kg weight loss over seve... Splenic infarction and splenomegaly are the clinical findings of endocarditis but are rare in graft infection. These findings could be helpful to diagnose graft infections, which is often challenging....

Male Humans Middle Aged Positron Emission Tomography Computed Tomography Blood Vessel Prosthesis +4 autres

Splenomegaly is a marker of advanced chronic liver disease and portal hypertension in HIV infection.

03 2023

DOI: 10.1111/hiv.13390 PMID: 36042533

To evaluate the clinical significance of splenomegaly as a marker of underlying liver disease in people with HIV (PWH).... We included consecutive PWH from a prospective cohort from 2010 to 2020 with available liver stiffness measurement (LSM) and liver imaging to define splenomegaly (> 13 cm) within 1 year. Cut-offs of L... In all, 331 PWH were included, 76% of them men, with a median (interquartile range) age of 51.3 (45-58) years, all receiving antiretroviral treatment, and 53% were HIV monoinfected. The PWH with splen... Splenomegaly identified on routine imaging may have utility as a marker of ACLD and portal hypertension, prompting further investigations....

Male Humans Middle Aged Liver Cirrhosis Splenomegaly +5 autres

Splenic clearance of rigid erythrocytes as an inherited mechanism for splenomegaly and natural resistance to malaria.

Aug 2022

DOI: 10.1016/j.ebiom.2022.104167 PMID: 35843175

In malaria-endemic areas, subjects from specific groups like Fulani have a peculiar protection against malaria, with high levels of IgM but also frequent anaemia and splenomegaly. The mechanisms under... In a cohort study set up in Benin, West Africa, after a careful evaluation of malaria-related phenotypes, we measured the deformability of circulating erythrocytes in genetically distinct groups (incl... Compared to non-Fulani, Fulani displayed a higher deformability of circulating erythrocytes, pointing to an enhanced clearance of rigid erythrocytes by the spleen. This phenotype was observed in indiv... In specific ethnic groups, genetically-controlled processes likely enhance the innate retention of infected and uninfected erythrocytes in the spleen, explaining splenomegaly, anaemia, cryptic intrasp... ANR, National Geographic Society, IMEA, IRD, and Région Ile-de-France....

Anemia Cohort Studies DNA-Binding Proteins Erythrocytes Genome-Wide Association Study +11 autres

GAU-PED study for early diagnosis of Gaucher disease in children with splenomegaly and cytopenia.

16 Jun 2023

DOI: 10.1186/s13023-023-02760-z PMID: 37328863

Gaucher disease (GD) diagnosis can be delayed due to non-specific symptoms and lack of awareness, leading to unnecessary procedures and irreversible complications. GAU-PED study aims to assess GD prev... DBS samples were collected and tested for β-glucocerebrosidase enzyme activity for 154 patients selected through the algorithm proposed by Di Rocco et al. Patients showing β-glucocerebrosidase activit... 14 out of 154 patients were diagnosed with GD, with a prevalence of 9.09% (5.06-14.78%, CI 95%). Hepatomegaly, thrombocytopenia, anemia, growth delay/deceleration, elevated serum ferritin, elevated Ly... GD prevalence in a pediatric population at high-risk appeared to be higher compared to high-risk adults. Lyso-Gb1 was associated with GD diagnosis. The algorithm proposed by Di Rocco et al. can potent...

Adult Humans Child Gaucher Disease Splenomegaly +4 autres

Early splenomegaly and septicaemia in homozygous sickle cell disease: A birth cohort study.

03 2023

DOI: 10.1002/pbc.30161 PMID: 36579755

Patients with homozygous sickle cell disease (HbSS) and clinical splenomegaly by 6 months of age appeared at greater risk of invasive infections after 5 years of the Jamaican Cohort Study. We determin... Newborn screening of 100,000 consecutive deliveries during 1973-1981 detected 311 births with HbSS. Age at first clinical splenomegaly was used to categorize 285 of these patients in whom this could b... Of 93 'first infections', 42 occurred in 105 subjects in the 'early' group, 49 in 157 subjects in the 'later' group, and two in 23 subjects in the 'never' group; the observed to expected ratio of 1.42... Early clinical splenomegaly in HbSS remains a predictor of septicaemia, defining a group that may require closer monitoring....

Infant, Newborn Humans Child, Preschool Cohort Studies Splenomegaly +3 autres

Perception visuelle : Questions médicales fréquentes

Termes MeSH sélectionnés :

Questions fréquentes et termes MeSH associés

Diagnostic 5

Symptômes 5

Prévention 5

Traitements 5

Complications 5

Facteurs de risque 5

Contenu validé par Dr Olivier Menir

Sous-catégories

Clignement attentionnel

Perception des couleurs

Perception du mouvement

Reconnaissance visuelle des formes

Clôture perceptive

Vision binoculaire

Vision monoculaire

Reconnaissance faciale

Auteurs principaux

Sources (136 au total)